150403331 has 16 divisors (see below), whose sum is σ = 165900000. Its totient is φ = 135502848.

The previous prime is 150403321. The next prime is 150403397. The reversal of 150403331 is 133304051.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-150403331 is a prime.

It is a super-2 number, since 2×150403331² = 45242323951791122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (150403321) 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, 119795 + ... + 121043.

It is an arithmetic number, because the mean of its divisors is an integer number (10368750).

Almost surely, 2^150403331 is an apocalyptic number.

150403331 is a deficient number, since it is larger than the sum of its proper divisors (15496669).

150403331 is a wasteful number, since it uses less digits than its factorization.

150403331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1478.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 150403331 is about 12263.9035792035. The cubic root of 150403331 is about 531.8050841058.

Adding to 150403331 its reverse (133304051), we get a palindrome (283707382).

The spelling of 150403331 in words is "one hundred fifty million, four hundred three thousand, three hundred thirty-one".