45612421655 has 8 divisors (see below), whose sum is σ = 54750570000. Its totient is φ = 36479494656.

The previous prime is 45612421639. The next prime is 45612421669. The reversal of 45612421655 is 55612421654.

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 45612421655 - 2⁴ = 45612421639 is a prime.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1286090 + ... + 1321079.

It is an arithmetic number, because the mean of its divisors is an integer number (6843821250).

Almost surely, 2^45612421655 is an apocalyptic number.

45612421655 is a deficient number, since it is larger than the sum of its proper divisors (9138148345).

45612421655 is a wasteful number, since it uses less digits than its factorization.

45612421655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2610673.

The product of its digits is 288000, while the sum is 41.

Subtracting 45612421655 from its reverse (55612421654), we obtain a palindrome (9999999999).

The spelling of 45612421655 in words is "forty-five billion, six hundred twelve million, four hundred twenty-one thousand, six hundred fifty-five".