45545043520 has 56 divisors (see below), whose sum is σ = 111099389688. Its totient is φ = 17773670400.

The previous prime is 45545043497. The next prime is 45545043539. The reversal of 45545043520 is 2534054554.

It can be written as a sum of positive squares in 4 ways, for example, as 6394881024 + 39150162496 = 79968^2 + 197864^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 45545043520.

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, 1722591 + ... + 1748830.

It is an arithmetic number, because the mean of its divisors is an integer number (1983917673).

Almost surely, 2^45545043520 is an apocalyptic number.

45545043520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45545043520 is an abundant number, since it is smaller than the sum of its proper divisors (65554346168).

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

45545043520 is a wasteful number, since it uses less digits than its factorization.

45545043520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3471479 (or 3471469 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 37.

The spelling of 45545043520 in words is "forty-five billion, five hundred forty-five million, forty-three thousand, five hundred twenty".