153238957 has 2 divisors, whose sum is σ = 153238958. Its totient is φ = 153238956.

The previous prime is 153238937. The next prime is 153238973. The reversal of 153238957 is 759832351.

153238957 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 152250921 + 988036 = 12339^2 + 994^2 .

It is a cyclic number.

It is not a de Polignac number, because 153238957 - 2¹⁵ = 153206189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (153238937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76619478 + 76619479.

It is an arithmetic number, because the mean of its divisors is an integer number (76619479).

Almost surely, 2^153238957 is an apocalyptic number.

It is an amenable number.

153238957 is a deficient number, since it is larger than the sum of its proper divisors (1).

153238957 is an equidigital number, since it uses as much as digits as its factorization.

153238957 is an evil number, because the sum of its binary digits is even.

The product of its digits is 226800, while the sum is 43.

The square root of 153238957 is about 12378.9723725356. The cubic root of 153238957 is about 535.1264230886.

The spelling of 153238957 in words is "one hundred fifty-three million, two hundred thirty-eight thousand, nine hundred fifty-seven".