108440245 has 4 divisors (see below), whose sum is σ = 130128300. Its totient is φ = 86752192.

The previous prime is 108440243. The next prime is 108440273. The reversal of 108440245 is 542044801.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 86378436 + 22061809 = 9294^2 + 4697^2 .

It is a cyclic number.

It is not a de Polignac number, because 108440245 - 2¹ = 108440243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108440243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10844020 + ... + 10844029.

It is an arithmetic number, because the mean of its divisors is an integer number (32532075).

Almost surely, 2^108440245 is an apocalyptic number.

It is an amenable number.

108440245 is a deficient number, since it is larger than the sum of its proper divisors (21688055).

108440245 is an equidigital number, since it uses as much as digits as its factorization.

108440245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21688054.

The product of its (nonzero) digits is 5120, while the sum is 28.

The square root of 108440245 is about 10413.4646011786. The cubic root of 108440245 is about 476.8665173896.

The spelling of 108440245 in words is "one hundred eight million, four hundred forty thousand, two hundred forty-five".