144440634164453 has 12 divisors (see below), whose sum is σ = 160678160409984. Its totient is φ = 129727623227400.

The previous prime is 144440634164341. The next prime is 144440634164549. The reversal of 144440634164453 is 354461436044441.

It is not a de Polignac number, because 144440634164453 - 2¹² = 144440634160357 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144440634164395 and 144440634164404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144440634166453) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7191099893 + ... + 7191119978.

It is an arithmetic number, because the mean of its divisors is an integer number (13389846700832).

Almost surely, 2^{144440634164453} is an apocalyptic number.

It is an amenable number.

144440634164453 is a deficient number, since it is larger than the sum of its proper divisors (16237526245531).

144440634164453 is a wasteful number, since it uses less digits than its factorization.

144440634164453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14382219976 (or 14382219965 counting only the distinct ones).

The product of its (nonzero) digits is 26542080, while the sum is 53.

The spelling of 144440634164453 in words is "one hundred forty-four trillion, four hundred forty billion, six hundred thirty-four million, one hundred sixty-four thousand, four hundred fifty-three".