157226277 has 12 divisors (see below), whose sum is σ = 227001984. Its totient is φ = 96754320.

The previous prime is 157226263. The next prime is 157226281. The reversal of 157226277 is 772622751.

157226277 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 157226277 - 2¹⁰ = 157225253 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157226207) 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, 154549 + ... + 155562.

It is an arithmetic number, because the mean of its divisors is an integer number (18916832).

Almost surely, 2^157226277 is an apocalyptic number.

It is an amenable number.

157226277 is a deficient number, since it is larger than the sum of its proper divisors (69775707).

157226277 is a wasteful number, since it uses less digits than its factorization.

157226277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310140 (or 310127 counting only the distinct ones).

The product of its digits is 82320, while the sum is 39.

The square root of 157226277 is about 12538.9902703527. The cubic root of 157226277 is about 539.7281175922.

The spelling of 157226277 in words is "one hundred fifty-seven million, two hundred twenty-six thousand, two hundred seventy-seven".