157057775 has 12 divisors (see below), whose sum is σ = 222573552. Its totient is φ = 107696640.

The previous prime is 157057763. The next prime is 157057783. The reversal of 157057775 is 577750751.

It is not a de Polignac number, because 157057775 - 2⁸ = 157057519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 448562 + ... + 448911.

It is an arithmetic number, because the mean of its divisors is an integer number (18547796).

Almost surely, 2^157057775 is an apocalyptic number.

157057775 is a deficient number, since it is larger than the sum of its proper divisors (65515777).

157057775 is an equidigital number, since it uses as much as digits as its factorization.

157057775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 897490 (or 897485 counting only the distinct ones).

The product of its (nonzero) digits is 300125, while the sum is 44.

The square root of 157057775 is about 12532.2693475683. The cubic root of 157057775 is about 539.5352368228.

The spelling of 157057775 in words is "one hundred fifty-seven million, fifty-seven thousand, seven hundred seventy-five".