157018373 has 2 divisors, whose sum is σ = 157018374. Its totient is φ = 157018372.

The previous prime is 157018361. The next prime is 157018427. The reversal of 157018373 is 373810751.

157018373 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 140232964 + 16785409 = 11842^2 + 4097^2 .

It is an emirp because it is prime and its reverse (373810751) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 157018373 - 2²⁰ = 155969797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157018313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78509186 + 78509187.

It is an arithmetic number, because the mean of its divisors is an integer number (78509187).

Almost surely, 2^157018373 is an apocalyptic number.

It is an amenable number.

157018373 is a deficient number, since it is larger than the sum of its proper divisors (1).

157018373 is an equidigital number, since it uses as much as digits as its factorization.

157018373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17640, while the sum is 35.

The square root of 157018373 is about 12530.6972272097. The cubic root of 157018373 is about 539.4901142654.

The spelling of 157018373 in words is "one hundred fifty-seven million, eighteen thousand, three hundred seventy-three".