147912957 has 6 divisors (see below), whose sum is σ = 213652062. Its totient is φ = 98608632.

The previous prime is 147912943. The next prime is 147912959. The reversal of 147912957 is 759219741.

147912957 is a `hidden beast` number, since 1 + 479 + 129 + 57 = 666.

It can be written as a sum of positive squares in only one way, i.e., 100220121 + 47692836 = 10011^2 + 6906^2 .

It is not a de Polignac number, because 147912957 - 2⁶ = 147912893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (147912959) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8217378 + ... + 8217395.

It is an arithmetic number, because the mean of its divisors is an integer number (35608677).

Almost surely, 2^147912957 is an apocalyptic number.

It is an amenable number.

147912957 is a deficient number, since it is larger than the sum of its proper divisors (65739105).

147912957 is a wasteful number, since it uses less digits than its factorization.

147912957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16434779 (or 16434776 counting only the distinct ones).

The product of its digits is 158760, while the sum is 45.

The square root of 147912957 is about 12161.9470891794. The cubic root of 147912957 is about 528.8535286775.

The spelling of 147912957 in words is "one hundred forty-seven million, nine hundred twelve thousand, nine hundred fifty-seven".