108072455 has 4 divisors (see below), whose sum is σ = 129686952. Its totient is φ = 86457960.

The previous prime is 108072439. The next prime is 108072457. The reversal of 108072455 is 554270801.

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

It is not a de Polignac number, because 108072455 - 2⁴ = 108072439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108072457) 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, 10807241 + ... + 10807250.

It is an arithmetic number, because the mean of its divisors is an integer number (32421738).

Almost surely, 2^108072455 is an apocalyptic number.

108072455 is a deficient number, since it is larger than the sum of its proper divisors (21614497).

108072455 is an equidigital number, since it uses as much as digits as its factorization.

108072455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21614496.

The product of its (nonzero) digits is 11200, while the sum is 32.

The square root of 108072455 is about 10395.7902537518. The cubic root of 108072455 is about 476.3267872871.

The spelling of 108072455 in words is "one hundred eight million, seventy-two thousand, four hundred fifty-five".