451643052 has 48 divisors (see below), whose sum is σ = 1216097792. Its totient is φ = 127785600.

The previous prime is 451643009. The next prime is 451643107. The reversal of 451643052 is 250346154.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17449 + ... + 34752.

Almost surely, 2^451643052 is an apocalyptic number.

451643052 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

451643052 is an abundant number, since it is smaller than the sum of its proper divisors (764454740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

451643052 is a wasteful number, since it uses less digits than its factorization.

451643052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52318 (or 52316 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 451643052 is about 21251.8952566589. The cubic root of 451643052 is about 767.2409560553.

The spelling of 451643052 in words is "four hundred fifty-one million, six hundred forty-three thousand, fifty-two".