45245545540 has 48 divisors (see below), whose sum is σ = 102844071792. Its totient is φ = 16621226496.

The previous prime is 45245545469. The next prime is 45245545547. The reversal of 45245545540 is 4554554254.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 2015650816 + 43229894724 = 44896^2 + 207918^2 .

It is not an unprimeable number, because it can be changed into a prime (45245545547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 390459 + ... + 492898.

It is an arithmetic number, because the mean of its divisors is an integer number (2142584829).

Almost surely, 2^45245545540 is an apocalyptic number.

It is an amenable number.

45245545540 is an abundant number, since it is smaller than the sum of its proper divisors (57598526252).

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

45245545540 is a wasteful number, since it uses less digits than its factorization.

45245545540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 883576 (or 883574 counting only the distinct ones).

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

The spelling of 45245545540 in words is "forty-five billion, two hundred forty-five million, five hundred forty-five thousand, five hundred forty".