451045406450523 has 16 divisors (see below), whose sum is σ = 616062739120416. Its totient is φ = 293362522863360.

The previous prime is 451045406450519. The next prime is 451045406450537. The reversal of 451045406450523 is 325054604540154.

It is not a de Polignac number, because 451045406450523 - 2² = 451045406450519 is a prime.

It is not an unprimeable number, because it can be changed into a prime (451045406450503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143483361 + ... + 146593197.

It is an arithmetic number, because the mean of its divisors is an integer number (38503921195026).

Almost surely, 2^{451045406450523} is an apocalyptic number.

451045406450523 is a deficient number, since it is larger than the sum of its proper divisors (165017332669893).

451045406450523 is a wasteful number, since it uses less digits than its factorization.

451045406450523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4289054.

The product of its (nonzero) digits is 5760000, while the sum is 48.

The spelling of 451045406450523 in words is "four hundred fifty-one trillion, forty-five billion, four hundred six million, four hundred fifty thousand, five hundred twenty-three".