157225039 has 2 divisors, whose sum is σ = 157225040. Its totient is φ = 157225038.

The previous prime is 157224961. The next prime is 157225043. The reversal of 157225039 is 930522751.

157225039 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 157225039 - 2¹¹ = 157222991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 157224995 and 157225013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157225139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78612519 + 78612520.

It is an arithmetic number, because the mean of its divisors is an integer number (78612520).

Almost surely, 2^157225039 is an apocalyptic number.

157225039 is a deficient number, since it is larger than the sum of its proper divisors (1).

157225039 is an equidigital number, since it uses as much as digits as its factorization.

157225039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18900, while the sum is 34.

The square root of 157225039 is about 12538.9409042391. The cubic root of 157225039 is about 539.7267009817.

The spelling of 157225039 in words is "one hundred fifty-seven million, two hundred twenty-five thousand, thirty-nine".