451149764 has 24 divisors (see below), whose sum is σ = 852223680. Its totient is φ = 207738144.

The previous prime is 451149763. The next prime is 451149767. The reversal of 451149764 is 467941154.

It is a super-2 number, since 2×451149764² = 407072219114511392, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (451149763) 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 7 ways as a sum of consecutive naturals, for example, 12947 + ... + 32709.

It is an arithmetic number, because the mean of its divisors is an integer number (35509320).

Almost surely, 2^451149764 is an apocalyptic number.

It is an amenable number.

451149764 is a deficient number, since it is larger than the sum of its proper divisors (401073916).

451149764 is a wasteful number, since it uses less digits than its factorization.

451149764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20219 (or 20217 counting only the distinct ones).

The product of its digits is 120960, while the sum is 41.

The square root of 451149764 is about 21240.2863445858. The cubic root of 451149764 is about 766.9615254826.

The spelling of 451149764 in words is "four hundred fifty-one million, one hundred forty-nine thousand, seven hundred sixty-four".