153072157 has 4 divisors (see below), whose sum is σ = 174939616. Its totient is φ = 131204700.

The previous prime is 153072149. The next prime is 153072181. The reversal of 153072157 is 751270351.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 751270351 = 13 ⋅57790027.

It is a cyclic number.

It is not a de Polignac number, because 153072157 - 2³ = 153072149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (153072187) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10933719 + ... + 10933732.

It is an arithmetic number, because the mean of its divisors is an integer number (43734904).

Almost surely, 2^153072157 is an apocalyptic number.

It is an amenable number.

153072157 is a deficient number, since it is larger than the sum of its proper divisors (21867459).

153072157 is an equidigital number, since it uses as much as digits as its factorization.

153072157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21867458.

The product of its (nonzero) digits is 7350, while the sum is 31.

The square root of 153072157 is about 12372.2333068852. The cubic root of 153072157 is about 534.9321915982.

The spelling of 153072157 in words is "one hundred fifty-three million, seventy-two thousand, one hundred fifty-seven".