157277275 has 12 divisors (see below), whose sum is σ = 199174752. Its totient is φ = 123143840.

The previous prime is 157277261. The next prime is 157277279. The reversal of 157277275 is 572772751.

It is not a de Polignac number, because 157277275 - 2¹⁹ = 156752987 is a prime.

It is a super-2 number, since 2×157277275² = 49472282462851250, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157277279) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65752 + ... + 68101.

It is an arithmetic number, because the mean of its divisors is an integer number (16597896).

Almost surely, 2^157277275 is an apocalyptic number.

157277275 is a deficient number, since it is larger than the sum of its proper divisors (41897477).

157277275 is a wasteful number, since it uses less digits than its factorization.

157277275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133910 (or 133905 counting only the distinct ones).

The product of its digits is 240100, while the sum is 43.

The square root of 157277275 is about 12541.0236822996. The cubic root of 157277275 is about 539.7864667850.

The spelling of 157277275 in words is "one hundred fifty-seven million, two hundred seventy-seven thousand, two hundred seventy-five".