45142877980 has 48 divisors (see below), whose sum is σ = 96495386400. Its totient is φ = 17735097600.

The previous prime is 45142877977. The next prime is 45142877981. The reversal of 45142877980 is 8977824154.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45142877981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 816246 + ... + 869794.

It is an arithmetic number, because the mean of its divisors is an integer number (2010320550).

Almost surely, 2^45142877980 is an apocalyptic number.

It is an amenable number.

45142877980 is an abundant number, since it is smaller than the sum of its proper divisors (51352508420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45142877980 is a wasteful number, since it uses less digits than its factorization.

45142877980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54310 (or 54308 counting only the distinct ones).

The product of its (nonzero) digits is 4515840, while the sum is 55.

The spelling of 45142877980 in words is "forty-five billion, one hundred forty-two million, eight hundred seventy-seven thousand, nine hundred eighty".