45021122655 has 16 divisors (see below), whose sum is σ = 72043102944. Its totient is φ = 24008163200.

The previous prime is 45021122617. The next prime is 45021122659. The reversal of 45021122655 is 55622112054.

It is not a de Polignac number, because 45021122655 - 2⁷ = 45021122527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45021122659) by changing a digit.

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

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71424 + ... + 308453.

It is an arithmetic number, because the mean of its divisors is an integer number (4502693934).

Almost surely, 2^45021122655 is an apocalyptic number.

45021122655 is a deficient number, since it is larger than the sum of its proper divisors (27021980289).

45021122655 is a wasteful number, since it uses less digits than its factorization.

45021122655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387786.

The product of its (nonzero) digits is 24000, while the sum is 33.

The spelling of 45021122655 in words is "forty-five billion, twenty-one million, one hundred twenty-two thousand, six hundred fifty-five".