45521541045 has 24 divisors (see below), whose sum is σ = 79115572536. Its totient is φ = 24213057408.

The previous prime is 45521541029. The next prime is 45521541059. The reversal of 45521541045 is 54014512554.

45521541045 is a `hidden beast` number, since 4 + 55 + 21 + 541 + 0 + 45 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 10259461521 + 35262079524 = 101289^2 + 187782^2 .

It is not a de Polignac number, because 45521541045 - 2⁴ = 45521541029 is a prime.

It is a super-2 number, since 2×45521541045² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1339234 + ... + 1372803.

It is an arithmetic number, because the mean of its divisors is an integer number (3296482189).

Almost surely, 2^45521541045 is an apocalyptic number.

45521541045 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

45521541045 is a deficient number, since it is larger than the sum of its proper divisors (33594031491).

45521541045 is a wasteful number, since it uses less digits than its factorization.

45521541045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2712421 (or 2712418 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 36.

The spelling of 45521541045 in words is "forty-five billion, five hundred twenty-one million, five hundred forty-one thousand, forty-five".