453439172 has 12 divisors (see below), whose sum is σ = 812872956. Its totient is φ = 221189760.

The previous prime is 453439159. The next prime is 453439193. The reversal of 453439172 is 271934354.

It can be written as a sum of positive squares in 2 ways, for example, as 82337476 + 371101696 = 9074^2 + 19264^2 .

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, 1382273 + ... + 1382600.

It is an arithmetic number, because the mean of its divisors is an integer number (67739413).

Almost surely, 2^453439172 is an apocalyptic number.

It is an amenable number.

453439172 is a deficient number, since it is larger than the sum of its proper divisors (359433784).

453439172 is a wasteful number, since it uses less digits than its factorization.

453439172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2764918 (or 2764916 counting only the distinct ones).

The product of its digits is 90720, while the sum is 38.

The square root of 453439172 is about 21294.1112047439. Note that the first 3 decimals coincide. The cubic root of 453439172 is about 768.2566800632.

The spelling of 453439172 in words is "four hundred fifty-three million, four hundred thirty-nine thousand, one hundred seventy-two".