2245253251545 has 48 divisors (see below), whose sum is σ = 4039821257472. Its totient is φ = 1196308517760.

The previous prime is 2245253251537. The next prime is 2245253251627. The reversal of 2245253251545 is 5451523525422.

2245253251545 is a `hidden beast` number, since 2 + 2 + 4 + 5 + 2 + 53 + 2 + 51 + 545 = 666.

It is not a de Polignac number, because 2245253251545 - 2³ = 2245253251537 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 2245253251545.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 360640 + ... + 2149550.

It is an arithmetic number, because the mean of its divisors is an integer number (84162942864).

Almost surely, 2^{2245253251545} is an apocalyptic number.

It is an amenable number.

2245253251545 is a deficient number, since it is larger than the sum of its proper divisors (1794568005927).

2245253251545 is a wasteful number, since it uses less digits than its factorization.

2245253251545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1789964 (or 1789952 counting only the distinct ones).

The product of its digits is 2400000, while the sum is 45.

Adding to 2245253251545 its reverse (5451523525422), we get a palindrome (7696776776967).

The spelling of 2245253251545 in words is "two trillion, two hundred forty-five billion, two hundred fifty-three million, two hundred fifty-one thousand, five hundred forty-five".