45544551425 has 12 divisors (see below), whose sum is σ = 56532262656. Its totient is φ = 36398854800.

The previous prime is 45544551421. The next prime is 45544551431. The reversal of 45544551425 is 52415544554.

It is not a de Polignac number, because 45544551425 - 2² = 45544551421 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (45544551421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 894389 + ... + 943938.

It is an arithmetic number, because the mean of its divisors is an integer number (4711021888).

Almost surely, 2^45544551425 is an apocalyptic number.

It is an amenable number.

45544551425 is a deficient number, since it is larger than the sum of its proper divisors (10987711231).

45544551425 is a wasteful number, since it uses less digits than its factorization.

45544551425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1839328 (or 1839323 counting only the distinct ones).

The product of its digits is 1600000, while the sum is 44.

The spelling of 45544551425 in words is "forty-five billion, five hundred forty-four million, five hundred fifty-one thousand, four hundred twenty-five".