1345244042625 has 64 divisors (see below), whose sum is σ = 2573058369024. Its totient is φ = 611413766400.

The previous prime is 1345244042581. The next prime is 1345244042641. The reversal of 1345244042625 is 5262404425431.

It is not a de Polignac number, because 1345244042625 - 2⁸ = 1345244042369 is a prime.

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 63 ways as a sum of consecutive naturals, for example, 1027014 + ... + 1935263.

It is an arithmetic number, because the mean of its divisors is an integer number (40204037016).

Almost surely, 2^{1345244042625} is an apocalyptic number.

1345244042625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1345244042625 is a deficient number, since it is larger than the sum of its proper divisors (1227814326399).

1345244042625 is a wasteful number, since it uses less digits than its factorization.

1345244042625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2962475 (or 2962465 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 42.

The spelling of 1345244042625 in words is "one trillion, three hundred forty-five billion, two hundred forty-four million, forty-two thousand, six hundred twenty-five".