451427445 has 64 divisors (see below), whose sum is σ = 936000000. Its totient is φ = 206345664.

The previous prime is 451427423. The next prime is 451427453. The reversal of 451427445 is 544724154.

It is not a de Polignac number, because 451427445 - 2¹⁴ = 451411061 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 41431 + ... + 51179.

It is an arithmetic number, because the mean of its divisors is an integer number (14625000).

Almost surely, 2^451427445 is an apocalyptic number.

451427445 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

451427445 is an abundant number, since it is smaller than the sum of its proper divisors (484572555).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

451427445 is an equidigital number, since it uses as much as digits as its factorization.

451427445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9784 (or 9764 counting only the distinct ones).

The product of its digits is 89600, while the sum is 36.

The square root of 451427445 is about 21246.8219976541. The cubic root of 451427445 is about 767.1188471978.

The spelling of 451427445 in words is "four hundred fifty-one million, four hundred twenty-seven thousand, four hundred forty-five".