150075021 has 8 divisors (see below), whose sum is σ = 200184640. Its totient is φ = 100007712.

The previous prime is 150075019. The next prime is 150075059. The reversal of 150075021 is 120570051.

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

It is not a de Polignac number, because 150075021 - 2¹ = 150075019 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150075221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1081 + ... + 17358.

It is an arithmetic number, because the mean of its divisors is an integer number (25023080).

Almost surely, 2^150075021 is an apocalyptic number.

It is an amenable number.

150075021 is a deficient number, since it is larger than the sum of its proper divisors (50109619).

150075021 is a wasteful number, since it uses less digits than its factorization.

150075021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21155.

The product of its (nonzero) digits is 350, while the sum is 21.

The square root of 150075021 is about 12250.5110505644. The cubic root of 150075021 is about 531.4178495041.

The spelling of 150075021 in words is "one hundred fifty million, seventy-five thousand, twenty-one".