157795565 has 16 divisors (see below), whose sum is σ = 195022080. Its totient is φ = 122477760.

The previous prime is 157795553. The next prime is 157795567. The reversal of 157795565 is 565597751.

It is not a de Polignac number, because 157795565 - 2⁶ = 157795501 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157795567) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78746 + ... + 80724.

It is an arithmetic number, because the mean of its divisors is an integer number (12188880).

Almost surely, 2^157795565 is an apocalyptic number.

It is an amenable number.

157795565 is a deficient number, since it is larger than the sum of its proper divisors (37226515).

157795565 is a wasteful number, since it uses less digits than its factorization.

157795565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2452.

The product of its digits is 1653750, while the sum is 50.

The square root of 157795565 is about 12561.6704701246. The cubic root of 157795565 is about 540.3787523448.

The spelling of 157795565 in words is "one hundred fifty-seven million, seven hundred ninety-five thousand, five hundred sixty-five".