45443021225 has 24 divisors (see below), whose sum is σ = 64418376960. Its totient is φ = 31151675520.

The previous prime is 45443021209. The next prime is 45443021237. The reversal of 45443021225 is 52212034454.

It is not a de Polignac number, because 45443021225 - 2⁴ = 45443021209 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45443021191 and 45443021200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 580784 + ... + 654366.

It is an arithmetic number, because the mean of its divisors is an integer number (2684099040).

Almost surely, 2^45443021225 is an apocalyptic number.

It is an amenable number.

45443021225 is a deficient number, since it is larger than the sum of its proper divisors (18975355735).

45443021225 is a wasteful number, since it uses less digits than its factorization.

45443021225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77129 (or 77124 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 32.

Adding to 45443021225 its reverse (52212034454), we get a palindrome (97655055679).

The spelling of 45443021225 in words is "forty-five billion, four hundred forty-three million, twenty-one thousand, two hundred twenty-five".