108162945 has 48 divisors (see below), whose sum is σ = 212127552. Its totient is φ = 52436160.

The previous prime is 108162911. The next prime is 108162947. The reversal of 108162945 is 549261801.

It is not a de Polignac number, because 108162945 - 2¹⁵ = 108130177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (108162947) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9319 + ... + 17411.

It is an arithmetic number, because the mean of its divisors is an integer number (4419324).

Almost surely, 2^108162945 is an apocalyptic number.

108162945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

108162945 is a deficient number, since it is larger than the sum of its proper divisors (103964607).

108162945 is an equidigital number, since it uses as much as digits as its factorization.

108162945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8124 (or 8112 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 108162945 is about 10400.1415855747. The cubic root of 108162945 is about 476.4596943769.

The spelling of 108162945 in words is "one hundred eight million, one hundred sixty-two thousand, nine hundred forty-five".