2245245642555 has 32 divisors (see below), whose sum is σ = 3599570354688. Its totient is φ = 1195073817600.

The previous prime is 2245245642533. The next prime is 2245245642571. The reversal of 2245245642555 is 5552465425422.

It is not a de Polignac number, because 2245245642555 - 2¹⁰ = 2245245641531 is a prime.

It is a super-2 number, since 2×2245245642555² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2245245642498 and 2245245642507.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19085515 + ... + 19202795.

It is an arithmetic number, because the mean of its divisors is an integer number (112486573584).

Almost surely, 2^{2245245642555} is an apocalyptic number.

2245245642555 is a deficient number, since it is larger than the sum of its proper divisors (1354324712133).

2245245642555 is a wasteful number, since it uses less digits than its factorization.

2245245642555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119827.

The product of its digits is 19200000, while the sum is 51.

The spelling of 2245245642555 in words is "two trillion, two hundred forty-five billion, two hundred forty-five million, six hundred forty-two thousand, five hundred fifty-five".