150552021 has 16 divisors (see below), whose sum is σ = 210591360. Its totient is φ = 95538240.

The previous prime is 150552013. The next prime is 150552071. The reversal of 150552021 is 120255051.

It is not a de Polignac number, because 150552021 - 2³ = 150552013 is a prime.

It is a super-2 number, since 2×150552021² = 45331822054368882, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150552071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6010 + ... + 18363.

It is an arithmetic number, because the mean of its divisors is an integer number (13161960).

Almost surely, 2^150552021 is an apocalyptic number.

It is an amenable number.

150552021 is a deficient number, since it is larger than the sum of its proper divisors (60039339).

150552021 is a wasteful number, since it uses less digits than its factorization.

150552021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24476.

The product of its (nonzero) digits is 500, while the sum is 21.

The square root of 150552021 is about 12269.9641808768. The cubic root of 150552021 is about 531.9802753819.

The spelling of 150552021 in words is "one hundred fifty million, five hundred fifty-two thousand, twenty-one".