108172944 has 120 divisors (see below), whose sum is σ = 337514112. Its totient is φ = 32060160.

The previous prime is 108172931. The next prime is 108172951. The reversal of 108172944 is 449271801.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 108172899 and 108172908.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 73722 + ... + 75174.

Almost surely, 2^108172944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 108172944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168757056).

108172944 is an abundant number, since it is smaller than the sum of its proper divisors (229341168).

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

108172944 is a wasteful number, since it uses less digits than its factorization.

108172944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1525 (or 1516 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 108172944 is about 10400.6222890748. The cubic root of 108172944 is about 476.4743758487.

The spelling of 108172944 in words is "one hundred eight million, one hundred seventy-two thousand, nine hundred forty-four".