108581455 has 4 divisors (see below), whose sum is σ = 130297752. Its totient is φ = 86865160.

The previous prime is 108581449. The next prime is 108581477. The reversal of 108581455 is 554185801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 554185801 = 13 ⋅42629677.

It is not a de Polignac number, because 108581455 - 2¹⁷ = 108450383 is a prime.

It is a Duffinian number.

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, 10858141 + ... + 10858150.

It is an arithmetic number, because the mean of its divisors is an integer number (32574438).

Almost surely, 2^108581455 is an apocalyptic number.

108581455 is a deficient number, since it is larger than the sum of its proper divisors (21716297).

108581455 is an equidigital number, since it uses as much as digits as its factorization.

108581455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21716296.

The product of its (nonzero) digits is 32000, while the sum is 37.

The square root of 108581455 is about 10420.2425595569. The cubic root of 108581455 is about 477.0734181668.

The spelling of 108581455 in words is "one hundred eight million, five hundred eighty-one thousand, four hundred fifty-five".