150115321 has 16 divisors (see below), whose sum is σ = 164229120. Its totient is φ = 136660480.

The previous prime is 150115267. The next prime is 150115337. The reversal of 150115321 is 123511051.

It is a cyclic number.

It is not a de Polignac number, because 150115321 - 2¹⁵ = 150082553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (150115921) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70056 + ... + 72166.

It is an arithmetic number, because the mean of its divisors is an integer number (10264320).

Almost surely, 2^150115321 is an apocalyptic number.

It is an amenable number.

150115321 is a deficient number, since it is larger than the sum of its proper divisors (14113799).

150115321 is a wasteful number, since it uses less digits than its factorization.

150115321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2264.

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

The square root of 150115321 is about 12252.1557694962. The cubic root of 150115321 is about 531.4654128772.

Adding to 150115321 its reverse (123511051), we get a palindrome (273626372).

The spelling of 150115321 in words is "one hundred fifty million, one hundred fifteen thousand, three hundred twenty-one".