451538829 has 48 divisors (see below), whose sum is σ = 796004352. Its totient is φ = 241030944.

The previous prime is 451538809. The next prime is 451538833. The reversal of 451538829 is 928835154.

It is not a de Polignac number, because 451538829 - 2⁵ = 451538797 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451538809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 58684 + ... + 65930.

It is an arithmetic number, because the mean of its divisors is an integer number (16583424).

Almost surely, 2^451538829 is an apocalyptic number.

It is an amenable number.

451538829 is a deficient number, since it is larger than the sum of its proper divisors (344465523).

451538829 is a wasteful number, since it uses less digits than its factorization.

451538829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7326 (or 7323 counting only the distinct ones).

The product of its digits is 345600, while the sum is 45.

The square root of 451538829 is about 21249.4430279949. The cubic root of 451538829 is about 767.1819342934.

The spelling of 451538829 in words is "four hundred fifty-one million, five hundred thirty-eight thousand, eight hundred twenty-nine".