45210004521 has 24 divisors (see below), whose sum is σ = 66741898272. Its totient is φ = 27199972800.

The previous prime is 45210004513. The next prime is 45210004523. The reversal of 45210004521 is 12540001254.

45210004521 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 45210004521 - 2³ = 45210004513 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45210004491 and 45210004500.

It is not an unprimeable number, because it can be changed into a prime (45210004523) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 404815 + ... + 504276.

It is an arithmetic number, because the mean of its divisors is an integer number (2780912428).

Almost surely, 2^45210004521 is an apocalyptic number.

It is an amenable number.

45210004521 is a deficient number, since it is larger than the sum of its proper divisors (21531893751).

45210004521 is a wasteful number, since it uses less digits than its factorization.

45210004521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909253 (or 909242 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

Adding to 45210004521 its reverse (12540001254), we get a palindrome (57750005775).

The spelling of 45210004521 in words is "forty-five billion, two hundred ten million, four thousand, five hundred twenty-one".