157273065 has 24 divisors (see below), whose sum is σ = 272975040. Its totient is φ = 83765664.

The previous prime is 157273033. The next prime is 157273073. The reversal of 157273065 is 560372751.

It is not a de Polignac number, because 157273065 - 2⁵ = 157273033 is a prime.

It is a super-3 number, since 3×157273065³ (a number of 26 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39454 + ... + 43256.

It is an arithmetic number, because the mean of its divisors is an integer number (11373960).

Almost surely, 2^157273065 is an apocalyptic number.

157273065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

157273065 is a deficient number, since it is larger than the sum of its proper divisors (115701975).

157273065 is a wasteful number, since it uses less digits than its factorization.

157273065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4733 (or 4730 counting only the distinct ones).

The product of its (nonzero) digits is 44100, while the sum is 36.

The square root of 157273065 is about 12540.8558320395. The cubic root of 157273065 is about 539.7816504051.

The spelling of 157273065 in words is "one hundred fifty-seven million, two hundred seventy-three thousand, sixty-five".