451634145 has 16 divisors (see below), whose sum is σ = 723676992. Its totient is φ = 240517440.

The previous prime is 451634129. The next prime is 451634167. The reversal of 451634145 is 541436154.

451634145 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 451634145 - 2⁴ = 451634129 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 11422 + ... + 32151.

It is an arithmetic number, because the mean of its divisors is an integer number (45229812).

Almost surely, 2^451634145 is an apocalyptic number.

It is an amenable number.

451634145 is a deficient number, since it is larger than the sum of its proper divisors (272042847).

451634145 is a wasteful number, since it uses less digits than its factorization.

451634145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44272.

The product of its digits is 28800, while the sum is 33.

The square root of 451634145 is about 21251.6856978452. The cubic root of 451634145 is about 767.2359123523.

The spelling of 451634145 in words is "four hundred fifty-one million, six hundred thirty-four thousand, one hundred forty-five".