451511045 has 16 divisors (see below), whose sum is σ = 565978752. Its totient is φ = 345132480.

The previous prime is 451511033. The next prime is 451511083. The reversal of 451511045 is 540115154.

It is not a de Polignac number, because 451511045 - 2⁴ = 451511029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157394 + ... + 160236.

It is an arithmetic number, because the mean of its divisors is an integer number (35373672).

Almost surely, 2^451511045 is an apocalyptic number.

It is an amenable number.

451511045 is a deficient number, since it is larger than the sum of its proper divisors (114467707).

451511045 is a wasteful number, since it uses less digits than its factorization.

451511045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4252.

The product of its (nonzero) digits is 2000, while the sum is 26.

The square root of 451511045 is about 21248.7892596261. The cubic root of 451511045 is about 767.1661986072.

Adding to 451511045 its reverse (540115154), we get a palindrome (991626199).

The spelling of 451511045 in words is "four hundred fifty-one million, five hundred eleven thousand, forty-five".