45555222544 has 40 divisors (see below), whose sum is σ = 96663813120. Its totient is φ = 20669117568.

The previous prime is 45555222539. The next prime is 45555222571. The reversal of 45555222544 is 44522255554.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 45555222544.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1843792 + ... + 1868335.

It is an arithmetic number, because the mean of its divisors is an integer number (2416595328).

Almost surely, 2^45555222544 is an apocalyptic number.

It is an amenable number.

45555222544 is an abundant number, since it is smaller than the sum of its proper divisors (51108590576).

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

45555222544 is a wasteful number, since it uses less digits than its factorization.

45555222544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3712207 (or 3712201 counting only the distinct ones).

The product of its digits is 1600000, while the sum is 43.

The spelling of 45555222544 in words is "forty-five billion, five hundred fifty-five million, two hundred twenty-two thousand, five hundred forty-four".