451252045 has 8 divisors (see below), whose sum is σ = 541626624. Its totient is φ = 360918864.

The previous prime is 451252031. The next prime is 451252049. The reversal of 451252045 is 540252154.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 451252045 - 2⁷ = 451251917 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 (451252049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24012 + ... + 38458.

It is an arithmetic number, because the mean of its divisors is an integer number (67703328).

Almost surely, 2^451252045 is an apocalyptic number.

It is an amenable number.

451252045 is a deficient number, since it is larger than the sum of its proper divisors (90374579).

451252045 is a wasteful number, since it uses less digits than its factorization.

451252045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20699.

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 451252045 is about 21242.6939204989. The cubic root of 451252045 is about 767.0194808599.

The spelling of 451252045 in words is "four hundred fifty-one million, two hundred fifty-two thousand, forty-five".