1244145344131 has 16 divisors (see below), whose sum is σ = 1345495173120. Its totient is φ = 1146162245760.

The previous prime is 1244145344111. The next prime is 1244145344147. The reversal of 1244145344131 is 1314435414421.

It is a cyclic number.

It is not a de Polignac number, because 1244145344131 - 2⁹ = 1244145343619 is a prime.

It is a super-2 number, since 2×1244145344131² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1244145344111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3540051 + ... + 3875596.

It is an arithmetic number, because the mean of its divisors is an integer number (84093448320).

Almost surely, 2^{1244145344131} is an apocalyptic number.

1244145344131 is a deficient number, since it is larger than the sum of its proper divisors (101349828989).

1244145344131 is a wasteful number, since it uses less digits than its factorization.

1244145344131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7415874.

The product of its digits is 92160, while the sum is 37.

The spelling of 1244145344131 in words is "one trillion, two hundred forty-four billion, one hundred forty-five million, three hundred forty-four thousand, one hundred thirty-one".