108273945 has 16 divisors (see below), whose sum is σ = 186564672. Its totient is φ = 53304000.

The previous prime is 108273937. The next prime is 108273961. The reversal of 108273945 is 549372801.

It is not a de Polignac number, because 108273945 - 2³ = 108273937 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 277431 + ... + 277820.

It is an arithmetic number, because the mean of its divisors is an integer number (11660292).

Almost surely, 2^108273945 is an apocalyptic number.

108273945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

108273945 is a deficient number, since it is larger than the sum of its proper divisors (78290727).

108273945 is a wasteful number, since it uses less digits than its factorization.

108273945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555272.

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 108273945 is about 10405.4766829781. The cubic root of 108273945 is about 476.6226243125.

The spelling of 108273945 in words is "one hundred eight million, two hundred seventy-three thousand, nine hundred forty-five".