108945720 has 96 divisors (see below), whose sum is σ = 381326400. Its totient is φ = 26816256.

The previous prime is 108945719. The next prime is 108945731. The reversal of 108945720 is 27549801.

108945720 is a `hidden beast` number, since 1 + 0 + 89 + 4 + 572 + 0 = 666.

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

It is a congruent number.

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, 6960 + ... + 16319.

It is an arithmetic number, because the mean of its divisors is an integer number (3972150).

Almost surely, 2^108945720 is an apocalyptic number.

108945720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

108945720 is an abundant number, since it is smaller than the sum of its proper divisors (272380680).

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

108945720 is a wasteful number, since it uses less digits than its factorization.

108945720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23309 (or 23302 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 108945720 is about 10437.7066446610. The cubic root of 108945720 is about 477.6063120467.

The spelling of 108945720 in words is "one hundred eight million, nine hundred forty-five thousand, seven hundred twenty".