157025839 has 4 divisors (see below), whose sum is σ = 157235680. Its totient is φ = 156816000.

The previous prime is 157025837. The next prime is 157025863. The reversal of 157025839 is 938520751.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 157025839 - 2¹ = 157025837 is a prime.

It is a super-2 number, since 2×157025839² = 49314228227307842, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157025837) 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, 103794 + ... + 105295.

It is an arithmetic number, because the mean of its divisors is an integer number (39308920).

Almost surely, 2^157025839 is an apocalyptic number.

157025839 is a deficient number, since it is larger than the sum of its proper divisors (209841).

157025839 is an equidigital number, since it uses as much as digits as its factorization.

157025839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209840.

The product of its (nonzero) digits is 75600, while the sum is 40.

The square root of 157025839 is about 12530.9951320715. The cubic root of 157025839 is about 539.4986647920.

The spelling of 157025839 in words is "one hundred fifty-seven million, twenty-five thousand, eight hundred thirty-nine".