157387758 has 32 divisors (see below), whose sum is σ = 358324992. Its totient is φ = 45619200.

The previous prime is 157387733. The next prime is 157387777. The reversal of 157387758 is 857783751.

It is a self number, because there is not a number n which added to its sum of digits gives 157387758.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50323 + ... + 53358.

It is an arithmetic number, because the mean of its divisors is an integer number (11197656).

Almost surely, 2^157387758 is an apocalyptic number.

157387758 is an abundant number, since it is smaller than the sum of its proper divisors (200937234).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

157387758 is a wasteful number, since it uses less digits than its factorization.

157387758 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103720.

The product of its digits is 1646400, while the sum is 51.

The square root of 157387758 is about 12545.4277726987. The cubic root of 157387758 is about 539.9128322949.

The spelling of 157387758 in words is "one hundred fifty-seven million, three hundred eighty-seven thousand, seven hundred fifty-eight".