157052065 has 4 divisors (see below), whose sum is σ = 188462484. Its totient is φ = 125641648.

The previous prime is 157052059. The next prime is 157052083. The reversal of 157052065 is 560250751.

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

It can be written as a sum of positive squares in 2 ways, for example, as 68823616 + 88228449 = 8296^2 + 9393^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-157052065 is a prime.

It is a super-2 number, since 2×157052065² = 49330702241528450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

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, 15705202 + ... + 15705211.

It is an arithmetic number, because the mean of its divisors is an integer number (47115621).

Almost surely, 2^157052065 is an apocalyptic number.

It is an amenable number.

157052065 is a deficient number, since it is larger than the sum of its proper divisors (31410419).

157052065 is an equidigital number, since it uses as much as digits as its factorization.

157052065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31410418.

The product of its (nonzero) digits is 10500, while the sum is 31.

The square root of 157052065 is about 12532.0415336050. The cubic root of 157052065 is about 539.5286982873.

It can be divided in two parts, 1570 and 52065, that added together give a palindrome (53635).

The spelling of 157052065 in words is "one hundred fifty-seven million, fifty-two thousand, sixty-five".