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153142 = 2116961
BaseRepresentation
bin100101011000110110
321210001221
4211120312
514400032
63140554
71205323
oct453066
9253057
10153142
11a5070
127475a
1354922
143db4a
1530597
hex25636

153142 has 8 divisors (see below), whose sum is σ = 250632. Its totient is φ = 69600.

The previous prime is 153137. The next prime is 153151. The reversal of 153142 is 241351.

153142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

153142 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3459 + ... + 3502.

It is an arithmetic number, because the mean of its divisors is an integer number (31329).

2153142 is an apocalyptic number.

153142 is a deficient number, since it is larger than the sum of its proper divisors (97490).

153142 is a wasteful number, since it uses less digits than its factorization.

153142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6974.

The product of its digits is 120, while the sum is 16.

The square root of 153142 is about 391.3336172628. Note that the first 3 decimals coincide. The cubic root of 153142 is about 53.5013537958.

Adding to 153142 its reverse (241351), we get a palindrome (394493).

Subtracting 153142 from its reverse (241351), we obtain a square (88209 = 2972).

It can be divided in two parts, 15314 and 2, that multiplied together give a triangular number (30628 = T247).

The spelling of 153142 in words is "one hundred fifty-three thousand, one hundred forty-two".

Divisors: 1 2 11 22 6961 13922 76571 153142