100158044 has 48 divisors (see below), whose sum is σ = 213830400. Its totient is φ = 40093056.

The previous prime is 100158043. The next prime is 100158053. The reversal of 100158044 is 440851001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100158041) 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, 37547 + ... + 40125.

It is an arithmetic number, because the mean of its divisors is an integer number (4454800).

Almost surely, 2^100158044 is an apocalyptic number.

100158044 is a gapful number since it is divisible by the number (14) 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 100158044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106915200).

100158044 is an abundant number, since it is smaller than the sum of its proper divisors (113672356).

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

100158044 is a wasteful number, since it uses less digits than its factorization.

100158044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2682 (or 2680 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 23.

The square root of 100158044 is about 10007.8990802266. The cubic root of 100158044 is about 464.4032797437.

The spelling of 100158044 in words is "one hundred million, one hundred fifty-eight thousand, forty-four".