150331242 has 8 divisors (see below), whose sum is σ = 300662496. Its totient is φ = 50110412.

The previous prime is 150331231. The next prime is 150331253. The reversal of 150331242 is 242133051.

It is an interprime number because it is at equal distance from previous prime (150331231) and next prime (150331253).

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

150331242 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12527598 + ... + 12527609.

It is an arithmetic number, because the mean of its divisors is an integer number (37582812).

Almost surely, 2^150331242 is an apocalyptic number.

150331242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

150331242 is a wasteful number, since it uses less digits than its factorization.

150331242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25055212.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 150331242 is about 12260.9641545843. The cubic root of 150331242 is about 531.7201049962.

Adding to 150331242 its reverse (242133051), we get a palindrome (392464293).

The spelling of 150331242 in words is "one hundred fifty million, three hundred thirty-one thousand, two hundred forty-two".