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148156460 = 2258239001
BaseRepresentation
bin10001101010010…
…11000000101100
3101022210010110022
420311023000230
5300412001320
622411301312
73446211014
oct1065130054
9338703408
10148156460
11766a3161
124174a838
1324904a5a
1415968c44
15d018325
hex8d4b02c

148156460 has 24 divisors (see below), whose sum is σ = 311541216. Its totient is φ = 59184000.

The previous prime is 148156441. The next prime is 148156487. The reversal of 148156460 is 64651841.

It is a self number, because there is not a number n which added to its sum of digits gives 148156460.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11960 + ... + 20960.

It is an arithmetic number, because the mean of its divisors is an integer number (12980884).

Almost surely, 2148156460 is an apocalyptic number.

148156460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

148156460 is an abundant number, since it is smaller than the sum of its proper divisors (163384756).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

148156460 is a wasteful number, since it uses less digits than its factorization.

148156460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9833 (or 9831 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 148156460 is about 12171.9538283712. The cubic root of 148156460 is about 529.1435794861.

The spelling of 148156460 in words is "one hundred forty-eight million, one hundred fifty-six thousand, four hundred sixty".

Divisors: 1 2 4 5 10 20 823 1646 3292 4115 8230 9001 16460 18002 36004 45005 90010 180020 7407823 14815646 29631292 37039115 74078230 148156460