150442331 has 4 divisors (see below), whose sum is σ = 162014832. Its totient is φ = 138869832.

The previous prime is 150442319. The next prime is 150442363. The reversal of 150442331 is 133244051.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 133244051 = 4057 ⋅32843.

It is a cyclic number.

It is not a de Polignac number, because 150442331 - 2²² = 146248027 is a prime.

It is a super-2 number, since 2×150442331² = 45265789913427122, 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 = 150442297 and 150442306.

It is not an unprimeable number, because it can be changed into a prime (150442031) 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, 5786231 + ... + 5786256.

It is an arithmetic number, because the mean of its divisors is an integer number (40503708).

Almost surely, 2^150442331 is an apocalyptic number.

150442331 is a deficient number, since it is larger than the sum of its proper divisors (11572501).

150442331 is a wasteful number, since it uses less digits than its factorization.

150442331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11572500.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 150442331 is about 12265.4935082124. The cubic root of 150442331 is about 531.8510463100.

Adding to 150442331 its reverse (133244051), we get a palindrome (283686382).

The spelling of 150442331 in words is "one hundred fifty million, four hundred forty-two thousand, three hundred thirty-one".