152155557 has 32 divisors (see below), whose sum is σ = 237945600. Its totient is φ = 95901696.

The previous prime is 152155519. The next prime is 152155561. The reversal of 152155557 is 755551251.

152155557 is a `hidden beast` number, since 1 + 52 + 1 + 55 + 557 = 666.

It is not a de Polignac number, because 152155557 - 2⁷ = 152155429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152155567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53893 + ... + 56645.

It is an arithmetic number, because the mean of its divisors is an integer number (7435800).

Almost surely, 2^152155557 is an apocalyptic number.

It is an amenable number.

152155557 is a deficient number, since it is larger than the sum of its proper divisors (85790043).

152155557 is a wasteful number, since it uses less digits than its factorization.

152155557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2874 (or 2868 counting only the distinct ones).

The product of its digits is 43750, while the sum is 36.

The square root of 152155557 is about 12335.1350620899. The cubic root of 152155557 is about 533.8623240580.

The spelling of 152155557 in words is "one hundred fifty-two million, one hundred fifty-five thousand, five hundred fifty-seven".