157488757 has 2 divisors, whose sum is σ = 157488758. Its totient is φ = 157488756.

The previous prime is 157488733. The next prime is 157488787. The reversal of 157488757 is 757884751.

157488757 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., 140398801 + 17089956 = 11849^2 + 4134^2 .

It is a cyclic number.

It is not a de Polignac number, because 157488757 - 2¹¹ = 157486709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157488707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78744378 + 78744379.

It is an arithmetic number, because the mean of its divisors is an integer number (78744379).

Almost surely, 2^157488757 is an apocalyptic number.

It is an amenable number.

157488757 is a deficient number, since it is larger than the sum of its proper divisors (1).

157488757 is an equidigital number, since it uses as much as digits as its factorization.

157488757 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2195200, while the sum is 52.

The square root of 157488757 is about 12549.4524581752. The cubic root of 157488757 is about 540.0282986999.

The spelling of 157488757 in words is "one hundred fifty-seven million, four hundred eighty-eight thousand, seven hundred fifty-seven".