150091638 has 32 divisors (see below), whose sum is σ = 303324000. Its totient is φ = 49510656.

The previous prime is 150091637. The next prime is 150091649. The reversal of 150091638 is 836190051.

It is a junction number, because it is equal to n+sod(n) for n = 150091599 and 150091608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150091631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 429888 + ... + 430236.

It is an arithmetic number, because the mean of its divisors is an integer number (9478875).

Almost surely, 2^150091638 is an apocalyptic number.

150091638 is an abundant number, since it is smaller than the sum of its proper divisors (153232362).

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

150091638 is a wasteful number, since it uses less digits than its factorization.

150091638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 896.

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 150091638 is about 12251.1892483954. The cubic root of 150091638 is about 531.4374624605.

The spelling of 150091638 in words is "one hundred fifty million, ninety-one thousand, six hundred thirty-eight".