150032081 has 4 divisors (see below), whose sum is σ = 150207600. Its totient is φ = 149856564.

The previous prime is 150032041. The next prime is 150032087. The reversal of 150032081 is 180230051.

150032081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-150032081 is a prime.

It is a super-2 number, since 2×150032081² = 45019250658381122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (150032087) 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, 86471 + ... + 88188.

It is an arithmetic number, because the mean of its divisors is an integer number (37551900).

Almost surely, 2^150032081 is an apocalyptic number.

It is an amenable number.

150032081 is a deficient number, since it is larger than the sum of its proper divisors (175519).

150032081 is an equidigital number, since it uses as much as digits as its factorization.

150032081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175518.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 150032081 is about 12248.7583452365. The cubic root of 150032081 is about 531.3671609463.

The spelling of 150032081 in words is "one hundred fifty million, thirty-two thousand, eighty-one".