108435945 has 32 divisors (see below), whose sum is σ = 193380480. Its totient is φ = 51563520.

The previous prime is 108435893. The next prime is 108435947. The reversal of 108435945 is 549534801.

It is a de Polignac number, because none of the positive numbers 2^k-108435945 is a prime.

It is not an unprimeable number, because it can be changed into a prime (108435947) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6346 + ... + 16035.

It is an arithmetic number, because the mean of its divisors is an integer number (6043140).

Almost surely, 2^108435945 is an apocalyptic number.

108435945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

108435945 is a deficient number, since it is larger than the sum of its proper divisors (84944535).

108435945 is a wasteful number, since it uses less digits than its factorization.

108435945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22425.

The product of its (nonzero) digits is 86400, while the sum is 39.

The square root of 108435945 is about 10413.2581356653. The cubic root of 108435945 is about 476.8602142158.

The spelling of 108435945 in words is "one hundred eight million, four hundred thirty-five thousand, nine hundred forty-five".