150512531 has 8 divisors (see below), whose sum is σ = 162915984. Its totient is φ = 138227040.

The previous prime is 150512519. The next prime is 150512539. The reversal of 150512531 is 135215051.

It is a happy number.

150512531 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 150512531 - 2¹⁰ = 150511507 is a prime.

It is a super-2 number, since 2×150512531² = 45308043976051922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 150512497 and 150512506.

It is not an unprimeable number, because it can be changed into a prime (150512539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26825 + ... + 31946.

It is an arithmetic number, because the mean of its divisors is an integer number (20364498).

Almost surely, 2^150512531 is an apocalyptic number.

150512531 is a deficient number, since it is larger than the sum of its proper divisors (12403453).

150512531 is a wasteful number, since it uses less digits than its factorization.

150512531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58981.

The product of its (nonzero) digits is 750, while the sum is 23.

The square root of 150512531 is about 12268.3548611866. The cubic root of 150512531 is about 531.9337582644.

Adding to 150512531 its reverse (135215051), we get a palindrome (285727582).

The spelling of 150512531 in words is "one hundred fifty million, five hundred twelve thousand, five hundred thirty-one".