158625057 has 4 divisors (see below), whose sum is σ = 211500080. Its totient is φ = 105750036.

The previous prime is 158625013. The next prime is 158625073. The reversal of 158625057 is 750526851.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 158625057 - 2⁷ = 158624929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (158625097) 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 3 ways as a sum of consecutive naturals, for example, 26437507 + ... + 26437512.

It is an arithmetic number, because the mean of its divisors is an integer number (52875020).

Almost surely, 2^158625057 is an apocalyptic number.

It is an amenable number.

158625057 is a deficient number, since it is larger than the sum of its proper divisors (52875023).

158625057 is an equidigital number, since it uses as much as digits as its factorization.

158625057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52875022.

The product of its (nonzero) digits is 84000, while the sum is 39.

The square root of 158625057 is about 12594.6439806769. The cubic root of 158625057 is about 541.3239768602.

The spelling of 158625057 in words is "one hundred fifty-eight million, six hundred twenty-five thousand, fifty-seven".