45446778655 has 8 divisors (see below), whose sum is σ = 56010084192. Its totient is φ = 35374789728.

The previous prime is 45446778649. The next prime is 45446778667. The reversal of 45446778655 is 55687764454.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45446778655 - 2¹⁵ = 45446745887 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45446778593 and 45446778602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122828947 + ... + 122829316.

It is an arithmetic number, because the mean of its divisors is an integer number (7001260524).

Almost surely, 2^45446778655 is an apocalyptic number.

45446778655 is a deficient number, since it is larger than the sum of its proper divisors (10563305537).

45446778655 is a wasteful number, since it uses less digits than its factorization.

45446778655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245658305.

The product of its digits is 112896000, while the sum is 61.

The spelling of 45446778655 in words is "forty-five billion, four hundred forty-six million, seven hundred seventy-eight thousand, six hundred fifty-five".