1245345144255 has 24 divisors (see below), whose sum is σ = 2162544541872. Its totient is φ = 662969833344.

The previous prime is 1245345144233. The next prime is 1245345144271. The reversal of 1245345144255 is 5524415435421.

1245345144255 is a `hidden beast` number, since 1 + 2 + 4 + 534 + 51 + 44 + 25 + 5 = 666.

It is not a de Polignac number, because 1245345144255 - 2¹⁷ = 1245345013183 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 1245345144255.

It is a congruent number.

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, 25271854 + ... + 25321083.

It is an arithmetic number, because the mean of its divisors is an integer number (90106022578).

Almost surely, 2^{1245345144255} is an apocalyptic number.

1245345144255 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1245345144255 is a deficient number, since it is larger than the sum of its proper divisors (917199397617).

1245345144255 is a wasteful number, since it uses less digits than its factorization.

1245345144255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50593495 (or 50593492 counting only the distinct ones).

The product of its digits is 1920000, while the sum is 45.

The spelling of 1245345144255 in words is "one trillion, two hundred forty-five billion, three hundred forty-five million, one hundred forty-four thousand, two hundred fifty-five".