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145915948 = 2236478987
BaseRepresentation
bin10001011001010…
…00000000101100
3101011120022001101
420230220000230
5244323302243
622251252444
73421156633
oct1054500054
9334508041
10145915948
11754028a2
1240a4a124
13242cbcc9
141554451a
15cc2454d
hex8b2802c

145915948 has 6 divisors (see below), whose sum is σ = 255352916. Its totient is φ = 72957972.

The previous prime is 145915921. The next prime is 145915951. The reversal of 145915948 is 849519541.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 145915898 and 145915907.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18239490 + ... + 18239497.

Almost surely, 2145915948 is an apocalyptic number.

It is an amenable number.

145915948 is a deficient number, since it is larger than the sum of its proper divisors (109436968).

145915948 is a wasteful number, since it uses less digits than its factorization.

145915948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36478991 (or 36478989 counting only the distinct ones).

The product of its digits is 259200, while the sum is 46.

The square root of 145915948 is about 12079.5673763591. The cubic root of 145915948 is about 526.4626760782.

The spelling of 145915948 in words is "one hundred forty-five million, nine hundred fifteen thousand, nine hundred forty-eight".

Divisors: 1 2 4 36478987 72957974 145915948