157146965 has 4 divisors (see below), whose sum is σ = 188576364. Its totient is φ = 125717568.

The previous prime is 157146949. The next prime is 157147007. The reversal of 157146965 is 569641751.

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 20584369 + 136562596 = 4537^2 + 11686^2 .

It is a cyclic number.

It is not a de Polignac number, because 157146965 - 2⁴ = 157146949 is a prime.

It is a super-2 number, since 2×157146965² = 49390337217422450, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 15714692 + ... + 15714701.

It is an arithmetic number, because the mean of its divisors is an integer number (47144091).

Almost surely, 2^157146965 is an apocalyptic number.

It is an amenable number.

157146965 is a deficient number, since it is larger than the sum of its proper divisors (31429399).

157146965 is an equidigital number, since it uses as much as digits as its factorization.

157146965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31429398.

The product of its digits is 226800, while the sum is 44.

The square root of 157146965 is about 12535.8272563082. The cubic root of 157146965 is about 539.6373479549.

The spelling of 157146965 in words is "one hundred fifty-seven million, one hundred forty-six thousand, nine hundred sixty-five".