2225145254445 has 72 divisors (see below), whose sum is σ = 3999319833600. Its totient is φ = 1144439893632.

The previous prime is 2225145254429. The next prime is 2225145254471. The reversal of 2225145254445 is 5444525415222.

2225145254445 is a `hidden beast` number, since 2 + 2 + 2 + 5 + 14 + 52 + 544 + 45 = 666.

It is not a de Polignac number, because 2225145254445 - 2⁴ = 2225145254429 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 2225145254445.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 31716916 + ... + 31786994.

It is an arithmetic number, because the mean of its divisors is an integer number (55546108800).

Almost surely, 2^{2225145254445} is an apocalyptic number.

It is an amenable number.

2225145254445 is a deficient number, since it is larger than the sum of its proper divisors (1774174579155).

2225145254445 is a wasteful number, since it uses less digits than its factorization.

2225145254445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70987 (or 70955 counting only the distinct ones).

The product of its digits is 2560000, while the sum is 45.

The spelling of 2225145254445 in words is "two trillion, two hundred twenty-five billion, one hundred forty-five million, two hundred fifty-four thousand, four hundred forty-five".