150115231 has 4 divisors (see below), whose sum is σ = 171560272. Its totient is φ = 128670192.

The previous prime is 150115201. The next prime is 150115241. The reversal of 150115231 is 132511051.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 132511051 = 6793 ⋅19507.

It is not a de Polignac number, because 150115231 - 2⁷ = 150115103 is a prime.

It is a super-2 number, since 2×150115231² = 45069165156366722, 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 = 150115199 and 150115208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150115201) 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, 10722510 + ... + 10722523.

It is an arithmetic number, because the mean of its divisors is an integer number (42890068).

Almost surely, 2^150115231 is an apocalyptic number.

150115231 is a deficient number, since it is larger than the sum of its proper divisors (21445041).

150115231 is an equidigital number, since it uses as much as digits as its factorization.

150115231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21445040.

The product of its (nonzero) digits is 150, while the sum is 19.

The square root of 150115231 is about 12252.1520966726. The cubic root of 150115231 is about 531.4653066658.

Adding to 150115231 its reverse (132511051), we get a palindrome (282626282).

The spelling of 150115231 in words is "one hundred fifty million, one hundred fifteen thousand, two hundred thirty-one".