451253445 has 16 divisors (see below), whose sum is σ = 753397632. Its totient is φ = 230204480.

The previous prime is 451253371. The next prime is 451253449. The reversal of 451253445 is 544352154.

It is not a de Polignac number, because 451253445 - 2⁷ = 451253317 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451253449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 653646 + ... + 654335.

It is an arithmetic number, because the mean of its divisors is an integer number (47087352).

Almost surely, 2^451253445 is an apocalyptic number.

It is an amenable number.

451253445 is a deficient number, since it is larger than the sum of its proper divisors (302144187).

451253445 is a wasteful number, since it uses less digits than its factorization.

451253445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1308012.

The product of its digits is 48000, while the sum is 33.

The square root of 451253445 is about 21242.7268729794. The cubic root of 451253445 is about 767.0202740797.

The spelling of 451253445 in words is "four hundred fifty-one million, two hundred fifty-three thousand, four hundred forty-five".