150053621 has 6 divisors (see below), whose sum is σ = 158367222. Its totient is φ = 142155720.

The previous prime is 150053599. The next prime is 150053623. The reversal of 150053621 is 126350051.

It can be written as a sum of positive squares in only one way, i.e., 86676100 + 63377521 = 9310^2 + 7961^2 .

It is a de Polignac number, because none of the positive numbers 2^k-150053621 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 (150053623) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 207470 + ... + 208191.

It is an arithmetic number, because the mean of its divisors is an integer number (26394537).

Almost surely, 2^150053621 is an apocalyptic number.

It is an amenable number.

150053621 is a deficient number, since it is larger than the sum of its proper divisors (8313601).

150053621 is an equidigital number, since it uses as much as digits as its factorization.

150053621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415699 (or 415680 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 150053621 is about 12249.6375864758. The cubic root of 150053621 is about 531.3925890655.

The spelling of 150053621 in words is "one hundred fifty million, fifty-three thousand, six hundred twenty-one".