108299845 has 4 divisors (see below), whose sum is σ = 129959820. Its totient is φ = 86639872.

The previous prime is 108299837. The next prime is 108299861. The reversal of 108299845 is 548992801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 548992801 = 7 ⋅78427543.

It can be written as a sum of positive squares in 2 ways, for example, as 24137569 + 84162276 = 4913^2 + 9174^2 .

It is a cyclic number.

It is not a de Polignac number, because 108299845 - 2³ = 108299837 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 108299795 and 108299804.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10829980 + ... + 10829989.

It is an arithmetic number, because the mean of its divisors is an integer number (32489955).

Almost surely, 2^108299845 is an apocalyptic number.

It is an amenable number.

108299845 is a deficient number, since it is larger than the sum of its proper divisors (21659975).

108299845 is an equidigital number, since it uses as much as digits as its factorization.

108299845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21659974.

The product of its (nonzero) digits is 207360, while the sum is 46.

The square root of 108299845 is about 10406.7211454905. The cubic root of 108299845 is about 476.6606252732.

The spelling of 108299845 in words is "one hundred eight million, two hundred ninety-nine thousand, eight hundred forty-five".