157045873 has 2 divisors, whose sum is σ = 157045874. Its totient is φ = 157045872.

The previous prime is 157045853. The next prime is 157045883. The reversal of 157045873 is 378540751.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 141419664 + 15626209 = 11892^2 + 3953^2 .

It is a cyclic number.

It is not a de Polignac number, because 157045873 - 2¹³ = 157037681 is a prime.

It is not a weakly prime, because it can be changed into another prime (157045843) by changing a digit.

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

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78522936 + 78522937.

It is an arithmetic number, because the mean of its divisors is an integer number (78522937).

Almost surely, 2^157045873 is an apocalyptic number.

It is an amenable number.

157045873 is a deficient number, since it is larger than the sum of its proper divisors (1).

157045873 is an equidigital number, since it uses as much as digits as its factorization.

157045873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 117600, while the sum is 40.

The square root of 157045873 is about 12531.7944844304. The cubic root of 157045873 is about 539.5216076332.

The spelling of 157045873 in words is "one hundred fifty-seven million, forty-five thousand, eight hundred seventy-three".