150338021 has 8 divisors (see below), whose sum is σ = 163064664. Its totient is φ = 138042880.

The previous prime is 150338011. The next prime is 150338029. The reversal of 150338021 is 120833051.

It can be written as a sum of positive squares in 4 ways, for example, as 32615521 + 117722500 = 5711^2 + 10850^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 150338021 - 2¹⁰ = 150336997 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 (150338029) 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, 107150 + ... + 108543.

It is an arithmetic number, because the mean of its divisors is an integer number (20383083).

Almost surely, 2^150338021 is an apocalyptic number.

It is an amenable number.

150338021 is a deficient number, since it is larger than the sum of its proper divisors (12726643).

150338021 is a wasteful number, since it uses less digits than its factorization.

150338021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215751.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 150338021 is about 12261.2405979167. The cubic root of 150338021 is about 531.7280972946.

The spelling of 150338021 in words is "one hundred fifty million, three hundred thirty-eight thousand, twenty-one".