1345631025644 has 12 divisors (see below), whose sum is σ = 2355976203000. Its totient is φ = 672494967648.

The previous prime is 1345631025643. The next prime is 1345631025691. The reversal of 1345631025644 is 4465201365431.

It is a super-2 number, since 2×1345631025644² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1345631025595 and 1345631025604.

It is not an unprimeable number, because it can be changed into a prime (1345631025643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80126849 + ... + 80143640.

It is an arithmetic number, because the mean of its divisors is an integer number (196331350250).

Almost surely, 2^{1345631025644} is an apocalyptic number.

It is an amenable number.

1345631025644 is a deficient number, since it is larger than the sum of its proper divisors (1010345177356).

1345631025644 is a wasteful number, since it uses less digits than its factorization.

1345631025644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160272592 (or 160272590 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 44.

The spelling of 1345631025644 in words is "one trillion, three hundred forty-five billion, six hundred thirty-one million, twenty-five thousand, six hundred forty-four".