144390913564 has 6 divisors (see below), whose sum is σ = 252684098744. Its totient is φ = 72195456780.

The previous prime is 144390913553. The next prime is 144390913571. The reversal of 144390913564 is 465319093441.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18048864192 + ... + 18048864199.

Almost surely, 2^144390913564 is an apocalyptic number.

It is an amenable number.

144390913564 is a deficient number, since it is larger than the sum of its proper divisors (108293185180).

144390913564 is a wasteful number, since it uses less digits than its factorization.

144390913564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36097728395 (or 36097728393 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 49.

The spelling of 144390913564 in words is "one hundred forty-four billion, three hundred ninety million, nine hundred thirteen thousand, five hundred sixty-four".