45521443515 has 16 divisors (see below), whose sum is σ = 73215645696. Its totient is φ = 24150991200.

The previous prime is 45521443489. The next prime is 45521443519. The reversal of 45521443515 is 51534412554.

45521443515 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 45521443515 - 2⁵ = 45521443483 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45521443519) 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, 7941541 + ... + 7947270.

It is an arithmetic number, because the mean of its divisors is an integer number (4575977856).

Almost surely, 2^45521443515 is an apocalyptic number.

45521443515 is a deficient number, since it is larger than the sum of its proper divisors (27694202181).

45521443515 is a wasteful number, since it uses less digits than its factorization.

45521443515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15889010.

The product of its digits is 240000, while the sum is 39.

The spelling of 45521443515 in words is "forty-five billion, five hundred twenty-one million, four hundred forty-three thousand, five hundred fifteen".