157422775 has 6 divisors (see below), whose sum is σ = 195204272. Its totient is φ = 125938200.

The previous prime is 157422763. The next prime is 157422781. The reversal of 157422775 is 577224751.

It is not a de Polignac number, because 157422775 - 2⁷ = 157422647 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3148431 + ... + 3148480.

Almost surely, 2^157422775 is an apocalyptic number.

157422775 is a deficient number, since it is larger than the sum of its proper divisors (37781497).

157422775 is an equidigital number, since it uses as much as digits as its factorization.

157422775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6296921 (or 6296916 counting only the distinct ones).

The product of its digits is 137200, while the sum is 40.

The square root of 157422775 is about 12546.8233031314. The cubic root of 157422775 is about 539.9528708297.

The spelling of 157422775 in words is "one hundred fifty-seven million, four hundred twenty-two thousand, seven hundred seventy-five".