150985638 has 12 divisors (see below), whose sum is σ = 327135588. Its totient is φ = 50328540.

The previous prime is 150985633. The next prime is 150985643. The reversal of 150985638 is 836589051.

150985638 is a `hidden beast` number, since 1 + 5 + 0 + 9 + 8 + 5 + 638 = 666.

It is an interprime number because it is at equal distance from previous prime (150985633) and next prime (150985643).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 150985593 and 150985602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150985633) 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 5 ways as a sum of consecutive naturals, for example, 4194028 + ... + 4194063.

It is an arithmetic number, because the mean of its divisors is an integer number (27261299).

Almost surely, 2^150985638 is an apocalyptic number.

150985638 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

150985638 is an abundant number, since it is smaller than the sum of its proper divisors (176149950).

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

150985638 is a wasteful number, since it uses less digits than its factorization.

150985638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8388099 (or 8388096 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 45.

The square root of 150985638 is about 12287.6213320561. The cubic root of 150985638 is about 532.4905189081.

It can be divided in two parts, 15098 and 5638, that added together give a 4-th power (20736 = 12⁴).

The spelling of 150985638 in words is "one hundred fifty million, nine hundred eighty-five thousand, six hundred thirty-eight".