150715638 has 48 divisors (see below), whose sum is σ = 345636720. Its totient is φ = 47331648.

The previous prime is 150715637. The next prime is 150715651. The reversal of 150715638 is 836517051.

150715638 is a `hidden beast` number, since 1 + 5 + 0 + 7 + 15 + 638 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150715637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66256 + ... + 68492.

It is an arithmetic number, because the mean of its divisors is an integer number (7200765).

Almost surely, 2^150715638 is an apocalyptic number.

150715638 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 150715638, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172818360).

150715638 is an abundant number, since it is smaller than the sum of its proper divisors (194921082).

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

150715638 is a wasteful number, since it uses less digits than its factorization.

150715638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2461 (or 2458 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The square root of 150715638 is about 12276.6297492431. The cubic root of 150715638 is about 532.1729208734.

The spelling of 150715638 in words is "one hundred fifty million, seven hundred fifteen thousand, six hundred thirty-eight".