157574423 has 2 divisors, whose sum is σ = 157574424. Its totient is φ = 157574422.

The previous prime is 157574399. The next prime is 157574477. The reversal of 157574423 is 324475751.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 157574423 - 2⁶ = 157574359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157574323) by changing a digit.

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 as a sum of consecutive naturals, namely, 78787211 + 78787212.

It is an arithmetic number, because the mean of its divisors is an integer number (78787212).

Almost surely, 2^157574423 is an apocalyptic number.

157574423 is a deficient number, since it is larger than the sum of its proper divisors (1).

157574423 is an equidigital number, since it uses as much as digits as its factorization.

157574423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 117600, while the sum is 38.

The square root of 157574423 is about 12552.8651311165. The cubic root of 157574423 is about 540.1261970717.

The spelling of 157574423 in words is "one hundred fifty-seven million, five hundred seventy-four thousand, four hundred twenty-three".