45020454661 has 48 divisors (see below), whose sum is σ = 59017986048. Its totient is φ = 33998227200.

The previous prime is 45020454637. The next prime is 45020454707. The reversal of 45020454661 is 16645402054.

It is not a de Polignac number, because 45020454661 - 2²³ = 45012066053 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 45020454661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45020454161) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1425916 + ... + 1457146.

It is an arithmetic number, because the mean of its divisors is an integer number (1229541376).

Almost surely, 2^45020454661 is an apocalyptic number.

It is an amenable number.

45020454661 is a deficient number, since it is larger than the sum of its proper divisors (13997531387).

45020454661 is a wasteful number, since it uses less digits than its factorization.

45020454661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31362 (or 31355 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 37.

The spelling of 45020454661 in words is "forty-five billion, twenty million, four hundred fifty-four thousand, six hundred sixty-one".