45205405525 has 24 divisors (see below), whose sum is σ = 64566978560. Its totient is φ = 30753898560.

The previous prime is 45205405513. The next prime is 45205405541. The reversal of 45205405525 is 52550450254.

It is not a de Polignac number, because 45205405525 - 2⁵ = 45205405493 is a prime.

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, 994770 + ... + 1039219.

Almost surely, 2^45205405525 is an apocalyptic number.

It is an amenable number.

45205405525 is a deficient number, since it is larger than the sum of its proper divisors (19361573035).

45205405525 is a wasteful number, since it uses less digits than its factorization.

45205405525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2034133 (or 2034128 counting only the distinct ones).

The product of its (nonzero) digits is 200000, while the sum is 37.

Adding to 45205405525 its reverse (52550450254), we get a palindrome (97755855779).

The spelling of 45205405525 in words is "forty-five billion, two hundred five million, four hundred five thousand, five hundred twenty-five".