45180624647 has 4 divisors (see below), whose sum is σ = 47558552280. Its totient is φ = 42802697016.

The previous prime is 45180624581. The next prime is 45180624667. The reversal of 45180624647 is 74642608154.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45180624647 - 2¹⁸ = 45180362503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45180624667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1188963788 + ... + 1188963825.

It is an arithmetic number, because the mean of its divisors is an integer number (11889638070).

Almost surely, 2^45180624647 is an apocalyptic number.

45180624647 is a deficient number, since it is larger than the sum of its proper divisors (2377927633).

45180624647 is a wasteful number, since it uses less digits than its factorization.

45180624647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2377927632.

The product of its (nonzero) digits is 1290240, while the sum is 47.

The spelling of 45180624647 in words is "forty-five billion, one hundred eighty million, six hundred twenty-four thousand, six hundred forty-seven".