157150565 has 72 divisors (see below), whose sum is σ = 236575080. Its totient is φ = 99939840.

The previous prime is 157150561. The next prime is 157150583. The reversal of 157150565 is 565051751.

It can be written as a sum of positive squares in 12 ways, for example, as 69522244 + 87628321 = 8338^2 + 9361^2 .

It is not a de Polignac number, because 157150565 - 2² = 157150561 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 (157150561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2965079 + ... + 2965131.

It is an arithmetic number, because the mean of its divisors is an integer number (3285765).

Almost surely, 2^157150565 is an apocalyptic number.

It is an amenable number.

157150565 is a deficient number, since it is larger than the sum of its proper divisors (79424515).

157150565 is a wasteful number, since it uses less digits than its factorization.

157150565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135 (or 111 counting only the distinct ones).

The product of its (nonzero) digits is 26250, while the sum is 35.

The square root of 157150565 is about 12535.9708439355. The cubic root of 157150565 is about 539.6414686827.

The spelling of 157150565 in words is "one hundred fifty-seven million, one hundred fifty thousand, five hundred sixty-five".