451328145 has 16 divisors (see below), whose sum is σ = 722639232. Its totient is φ = 240536960.

The previous prime is 451328077. The next prime is 451328161. The reversal of 451328145 is 541823154.

It is not a de Polignac number, because 451328145 - 2¹⁴ = 451311761 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12709 + ... + 32621.

It is an arithmetic number, because the mean of its divisors is an integer number (45164952).

Almost surely, 2^451328145 is an apocalyptic number.

It is an amenable number.

451328145 is a deficient number, since it is larger than the sum of its proper divisors (271311087).

451328145 is a wasteful number, since it uses less digits than its factorization.

451328145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21432.

The product of its digits is 19200, while the sum is 33.

The square root of 451328145 is about 21244.4850490663. The cubic root of 451328145 is about 767.0625956426.

The spelling of 451328145 in words is "four hundred fifty-one million, three hundred twenty-eight thousand, one hundred forty-five".