45212505225 has 12 divisors (see below), whose sum is σ = 74751342096. Its totient is φ = 24113336080.

The previous prime is 45212505209. The next prime is 45212505287. The reversal of 45212505225 is 52250521254.

It is a happy number.

It is not a de Polignac number, because 45212505225 - 2⁴ = 45212505209 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 301416627 + ... + 301416776.

It is an arithmetic number, because the mean of its divisors is an integer number (6229278508).

Almost surely, 2^45212505225 is an apocalyptic number.

It is an amenable number.

45212505225 is a deficient number, since it is larger than the sum of its proper divisors (29538836871).

45212505225 is a wasteful number, since it uses less digits than its factorization.

45212505225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 602833416 (or 602833411 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 33.

The spelling of 45212505225 in words is "forty-five billion, two hundred twelve million, five hundred five thousand, two hundred twenty-five".