157343873 has 2 divisors, whose sum is σ = 157343874. Its totient is φ = 157343872.

The previous prime is 157343867. The next prime is 157343929. The reversal of 157343873 is 378343751.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79780624 + 77563249 = 8932^2 + 8807^2 .

It is a cyclic number.

It is not a de Polignac number, because 157343873 - 2²² = 153149569 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 157343873.

It is not a weakly prime, because it can be changed into another prime (157340873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78671936 + 78671937.

It is an arithmetic number, because the mean of its divisors is an integer number (78671937).

Almost surely, 2^157343873 is an apocalyptic number.

It is an amenable number.

157343873 is a deficient number, since it is larger than the sum of its proper divisors (1).

157343873 is an equidigital number, since it uses as much as digits as its factorization.

157343873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 211680, while the sum is 41.

The square root of 157343873 is about 12543.6786071710. The cubic root of 157343873 is about 539.8626456782.

The spelling of 157343873 in words is "one hundred fifty-seven million, three hundred forty-three thousand, eight hundred seventy-three".