456545654565456 has 20 divisors (see below), whose sum is σ = 1179409607627552. Its totient is φ = 152181884855136.

The previous prime is 456545654565353. The next prime is 456545654565463. The reversal of 456545654565456 is 654565456545654.

It is a happy number.

456545654565456 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

It is a super-3 number, since 3×456545654565456³ (a number of 45 digits) contains 333 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is an upside-down number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4755683901676 + ... + 4755683901771.

Almost surely, 2^{456545654565456} is an apocalyptic number.

It is an amenable number.

456545654565456 is an abundant number, since it is smaller than the sum of its proper divisors (722863953062096).

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

456545654565456 is a wasteful number, since it uses less digits than its factorization.

456545654565456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9511367803458 (or 9511367803452 counting only the distinct ones).

The product of its digits is 25920000000, while the sum is 75.

The spelling of 456545654565456 in words is "four hundred fifty-six trillion, five hundred forty-five billion, six hundred fifty-four million, five hundred sixty-five thousand, four hundred fifty-six".