45180624645 has 24 divisors (see below), whose sum is σ = 84337167096. Its totient is φ = 22242768768.

The previous prime is 45180624581. The next prime is 45180624667. The reversal of 45180624645 is 54642608154.

It is a happy number.

45180624645 is a `hidden beast` number, since 4 + 5 + 18 + 0 + 624 + 6 + 4 + 5 = 666.

45180624645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2949141636 + 42231483009 = 54306^2 + 205503^2 .

It is not a de Polignac number, because 45180624645 - 2⁶ = 45180624581 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 45180624645.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38615334 + ... + 38616503.

It is an arithmetic number, because the mean of its divisors is an integer number (3514048629).

Almost surely, 2^45180624645 is an apocalyptic number.

45180624645 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

45180624645 is a deficient number, since it is larger than the sum of its proper divisors (39156542451).

45180624645 is a wasteful number, since it uses less digits than its factorization.

45180624645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77231861 (or 77231858 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 45.

The spelling of 45180624645 in words is "forty-five billion, one hundred eighty million, six hundred twenty-four thousand, six hundred forty-five".