150621372 has 72 divisors (see below), whose sum is σ = 425526192. Its totient is φ = 44524800.

The previous prime is 150621371. The next prime is 150621397. The reversal of 150621372 is 273126051.

It is a happy number.

150621372 is a `hidden beast` number, since 1 + 5 + 0 + 621 + 37 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150621371) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11598 + ... + 20874.

It is an arithmetic number, because the mean of its divisors is an integer number (5910086).

Almost surely, 2^150621372 is an apocalyptic number.

150621372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 150621372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212763096).

150621372 is an abundant number, since it is smaller than the sum of its proper divisors (274904820).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

150621372 is a wasteful number, since it uses less digits than its factorization.

150621372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9339 (or 9334 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 150621372 is about 12272.7899028705. The cubic root of 150621372 is about 532.0619474852.

The spelling of 150621372 in words is "one hundred fifty million, six hundred twenty-one thousand, three hundred seventy-two".