45312100521 has 8 divisors (see below), whose sum is σ = 63042922560. Its totient is φ = 28894672752.

The previous prime is 45312100513. The next prime is 45312100541. The reversal of 45312100521 is 12500121354.

It is a happy number.

45312100521 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 45312100521 - 2³ = 45312100513 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45312100491 and 45312100500.

It is not an unprimeable number, because it can be changed into a prime (45312100501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 328348486 + ... + 328348623.

It is an arithmetic number, because the mean of its divisors is an integer number (7880365320).

Almost surely, 2^45312100521 is an apocalyptic number.

It is an amenable number.

45312100521 is a deficient number, since it is larger than the sum of its proper divisors (17730822039).

45312100521 is a wasteful number, since it uses less digits than its factorization.

45312100521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656697135.

The product of its (nonzero) digits is 1200, while the sum is 24.

Adding to 45312100521 its reverse (12500121354), we get a palindrome (57812221875).

The spelling of 45312100521 in words is "forty-five billion, three hundred twelve million, one hundred thousand, five hundred twenty-one".