157956473 has 2 divisors, whose sum is σ = 157956474. Its totient is φ = 157956472.

The previous prime is 157956457. The next prime is 157956493. The reversal of 157956473 is 374659751.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 157954624 + 1849 = 12568^2 + 43^2 .

It is a cyclic number.

It is not a de Polignac number, because 157956473 - 2⁴ = 157956457 is a prime.

It is not a weakly prime, because it can be changed into another prime (157956493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78978236 + 78978237.

It is an arithmetic number, because the mean of its divisors is an integer number (78978237).

Almost surely, 2^157956473 is an apocalyptic number.

It is an amenable number.

157956473 is a deficient number, since it is larger than the sum of its proper divisors (1).

157956473 is an equidigital number, since it uses as much as digits as its factorization.

157956473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 793800, while the sum is 47.

The square root of 157956473 is about 12568.0735596192. The cubic root of 157956473 is about 540.5623690930.

The spelling of 157956473 in words is "one hundred fifty-seven million, nine hundred fifty-six thousand, four hundred seventy-three".