157023533 has 2 divisors, whose sum is σ = 157023534. Its totient is φ = 157023532.

The previous prime is 157023527. The next prime is 157023571. The reversal of 157023533 is 335320751.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 79530724 + 77492809 = 8918^2 + 8803^2 .

It is a cyclic number.

It is not a de Polignac number, because 157023533 - 2⁶ = 157023469 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 157023496 and 157023505.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157023233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78511766 + 78511767.

It is an arithmetic number, because the mean of its divisors is an integer number (78511767).

Almost surely, 2^157023533 is an apocalyptic number.

It is an amenable number.

157023533 is a deficient number, since it is larger than the sum of its proper divisors (1).

157023533 is an equidigital number, since it uses as much as digits as its factorization.

157023533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9450, while the sum is 29.

The square root of 157023533 is about 12530.9031198872. The cubic root of 157023533 is about 539.4960238466.

The spelling of 157023533 in words is "one hundred fifty-seven million, twenty-three thousand, five hundred thirty-three".