144512664236644 has 48 divisors (see below), whose sum is σ = 277647272562240. Its totient is φ = 65268850083840.

The previous prime is 144512664236641. The next prime is 144512664236659. The reversal of 144512664236644 is 446632466215441.

It is not an unprimeable number, because it can be changed into a prime (144512664236641) 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, 27359412 + ... + 32211220.

It is an arithmetic number, because the mean of its divisors is an integer number (5784318178380).

Almost surely, 2^{144512664236644} is an apocalyptic number.

It is an amenable number.

144512664236644 is a deficient number, since it is larger than the sum of its proper divisors (133134608325596).

144512664236644 is a wasteful number, since it uses less digits than its factorization.

144512664236644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4856140 (or 4856138 counting only the distinct ones).

The product of its digits is 79626240, while the sum is 58.

The spelling of 144512664236644 in words is "one hundred forty-four trillion, five hundred twelve billion, six hundred sixty-four million, two hundred thirty-six thousand, six hundred forty-four".