157623029 has 2 divisors, whose sum is σ = 157623030. Its totient is φ = 157623028.

The previous prime is 157623017. The next prime is 157623083. The reversal of 157623029 is 920326751.

157623029 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., 86676100 + 70946929 = 9310^2 + 8423^2 .

It is a cyclic number.

It is not a de Polignac number, because 157623029 - 2⁴ = 157623013 is a prime.

It is a super-2 number, since 2×157623029² = 49690038542269682, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 157623029.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157623629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78811514 + 78811515.

It is an arithmetic number, because the mean of its divisors is an integer number (78811515).

Almost surely, 2^157623029 is an apocalyptic number.

It is an amenable number.

157623029 is a deficient number, since it is larger than the sum of its proper divisors (1).

157623029 is an equidigital number, since it uses as much as digits as its factorization.

157623029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 157623029 is about 12554.8010338675. The cubic root of 157623029 is about 540.1817278161.

The spelling of 157623029 in words is "one hundred fifty-seven million, six hundred twenty-three thousand, twenty-nine".