150228531 has 6 divisors (see below), whose sum is σ = 216996780. Its totient is φ = 100152348.

The previous prime is 150228517. The next prime is 150228557. The reversal of 150228531 is 135822051.

It is a happy number.

150228531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 150228531 - 2⁵ = 150228499 is a prime.

It is a super-2 number, since 2×150228531² = 45137223052835922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 150228495 and 150228504.

It is not an unprimeable number, because it can be changed into a prime (150228131) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8346021 + ... + 8346038.

It is an arithmetic number, because the mean of its divisors is an integer number (36166130).

Almost surely, 2^150228531 is an apocalyptic number.

150228531 is a deficient number, since it is larger than the sum of its proper divisors (66768249).

150228531 is a wasteful number, since it uses less digits than its factorization.

150228531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16692065 (or 16692062 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 150228531 is about 12256.7749020695. The cubic root of 150228531 is about 531.5989814791.

The spelling of 150228531 in words is "one hundred fifty million, two hundred twenty-eight thousand, five hundred thirty-one".