451451745 has 64 divisors (see below), whose sum is σ = 854496000. Its totient is φ = 225358848.

The previous prime is 451451743. The next prime is 451451771. The reversal of 451451745 is 547154154.

It is not a de Polignac number, because 451451745 - 2¹ = 451451743 is a prime.

It is not an unprimeable number, because it can be changed into a prime (451451743) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 525126 + ... + 525984.

It is an arithmetic number, because the mean of its divisors is an integer number (13351500).

Almost surely, 2^451451745 is an apocalyptic number.

451451745 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

451451745 is a deficient number, since it is larger than the sum of its proper divisors (403044255).

451451745 is a wasteful number, since it uses less digits than its factorization.

451451745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1119 (or 1113 counting only the distinct ones).

The product of its digits is 56000, while the sum is 36.

The square root of 451451745 is about 21247.3938401866. The cubic root of 451451745 is about 767.1326114278.

The spelling of 451451745 in words is "four hundred fifty-one million, four hundred fifty-one thousand, seven hundred forty-five".