150042931 has 4 divisors (see below), whose sum is σ = 150435072. Its totient is φ = 149650792.

The previous prime is 150042929. The next prime is 150043043. The reversal of 150042931 is 139240051.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 150042931 - 2¹ = 150042929 is a prime.

It is a super-2 number, since 2×150042931² = 45025762286141522, 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 = 150042896 and 150042905.

It is not an unprimeable number, because it can be changed into a prime (150040931) 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, 195496 + ... + 196261.

It is an arithmetic number, because the mean of its divisors is an integer number (37608768).

Almost surely, 2^150042931 is an apocalyptic number.

150042931 is a deficient number, since it is larger than the sum of its proper divisors (392141).

150042931 is an equidigital number, since it uses as much as digits as its factorization.

150042931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392140.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 150042931 is about 12249.2012392645. The cubic root of 150042931 is about 531.3799697506.

Adding to 150042931 its reverse (139240051), we get a palindrome (289282982).

The spelling of 150042931 in words is "one hundred fifty million, forty-two thousand, nine hundred thirty-one".