150531157 has 4 divisors (see below), whose sum is σ = 172035616. Its totient is φ = 129026700.

The previous prime is 150531149. The next prime is 150531163. The reversal of 150531157 is 751135051.

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.

It is a cyclic number.

It is not a de Polignac number, because 150531157 - 2³ = 150531149 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 (150531457) 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, 10752219 + ... + 10752232.

It is an arithmetic number, because the mean of its divisors is an integer number (43008904).

Almost surely, 2^150531157 is an apocalyptic number.

It is an amenable number.

150531157 is a deficient number, since it is larger than the sum of its proper divisors (21504459).

150531157 is an equidigital number, since it uses as much as digits as its factorization.

150531157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21504458.

The product of its (nonzero) digits is 2625, while the sum is 28.

The square root of 150531157 is about 12269.1139451877. The cubic root of 150531157 is about 531.9556997144.

The spelling of 150531157 in words is "one hundred fifty million, five hundred thirty-one thousand, one hundred fifty-seven".