453172899 has 4 divisors (see below), whose sum is σ = 604230536. Its totient is φ = 302115264.

The previous prime is 453172883. The next prime is 453172901. The reversal of 453172899 is 998271354.

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

It is not a de Polignac number, because 453172899 - 2⁴ = 453172883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (453172199) 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, 75528814 + ... + 75528819.

It is an arithmetic number, because the mean of its divisors is an integer number (151057634).

Almost surely, 2^453172899 is an apocalyptic number.

453172899 is a deficient number, since it is larger than the sum of its proper divisors (151057637).

453172899 is a wasteful number, since it uses less digits than its factorization.

453172899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151057636.

The product of its digits is 544320, while the sum is 48.

The square root of 453172899 is about 21287.8580181286. The cubic root of 453172899 is about 768.1062695421.

The spelling of 453172899 in words is "four hundred fifty-three million, one hundred seventy-two thousand, eight hundred ninety-nine".