451545655 has 16 divisors (see below), whose sum is σ = 592548768. Its totient is φ = 327600000.

The previous prime is 451545617. The next prime is 451545673. The reversal of 451545655 is 556545154.

It is a de Polignac number, because none of the positive numbers 2^k-451545655 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 13405 + ... + 32905.

It is an arithmetic number, because the mean of its divisors is an integer number (37034298).

Almost surely, 2^451545655 is an apocalyptic number.

451545655 is a deficient number, since it is larger than the sum of its proper divisors (141003113).

451545655 is a wasteful number, since it uses less digits than its factorization.

451545655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19938.

The product of its digits is 300000, while the sum is 40.

The square root of 451545655 is about 21249.6036433624. The cubic root of 451545655 is about 767.1858001533.

The spelling of 451545655 in words is "four hundred fifty-one million, five hundred forty-five thousand, six hundred fifty-five".