144102536240644 has 24 divisors (see below), whose sum is σ = 253163928306240. Its totient is φ = 71770533074784.

The previous prime is 144102536240633. The next prime is 144102536240669. The reversal of 144102536240644 is 446042635201441.

It is a super-2 number, since 2×144102536240644² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 144102536240594 and 144102536240603.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67419559 + ... + 69524110.

It is an arithmetic number, because the mean of its divisors is an integer number (10548497012760).

Almost surely, 2^{144102536240644} is an apocalyptic number.

It is an amenable number.

144102536240644 is a deficient number, since it is larger than the sum of its proper divisors (109061392065596).

144102536240644 is a wasteful number, since it uses less digits than its factorization.

144102536240644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136944699 (or 136944697 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 46.

The spelling of 144102536240644 in words is "one hundred forty-four trillion, one hundred two billion, five hundred thirty-six million, two hundred forty thousand, six hundred forty-four".