108242745 has 16 divisors (see below), whose sum is σ = 186510912. Its totient is φ = 53288640.

The previous prime is 108242737. The next prime is 108242749. The reversal of 108242745 is 547242801.

It is not a de Polignac number, because 108242745 - 2³ = 108242737 is a prime.

It is not an unprimeable number, because it can be changed into a prime (108242749) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 277351 + ... + 277740.

It is an arithmetic number, because the mean of its divisors is an integer number (11656932).

Almost surely, 2^108242745 is an apocalyptic number.

108242745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

108242745 is a deficient number, since it is larger than the sum of its proper divisors (78268167).

108242745 is a wasteful number, since it uses less digits than its factorization.

108242745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555112.

The product of its (nonzero) digits is 17920, while the sum is 33.

The square root of 108242745 is about 10403.9773644506. The cubic root of 108242745 is about 476.5768390454.

The spelling of 108242745 in words is "one hundred eight million, two hundred forty-two thousand, seven hundred forty-five".