545443051225 has 24 divisors (see below), whose sum is σ = 694536975360. Its totient is φ = 424750173120.

The previous prime is 545443051213. The next prime is 545443051313. The reversal of 545443051225 is 522150344545.

It is a de Polignac number, because none of the positive numbers 2^k-545443051225 is a prime.

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, 1452415 + ... + 1788964.

It is an arithmetic number, because the mean of its divisors is an integer number (28939040640).

Almost surely, 2^545443051225 is an apocalyptic number.

It is an amenable number.

545443051225 is a deficient number, since it is larger than the sum of its proper divisors (149093924135).

545443051225 is a wasteful number, since it uses less digits than its factorization.

545443051225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3241569 (or 3241564 counting only the distinct ones).

The product of its (nonzero) digits is 480000, while the sum is 40.

The spelling of 545443051225 in words is "five hundred forty-five billion, four hundred forty-three million, fifty-one thousand, two hundred twenty-five".