144423881558 has 24 divisors (see below), whose sum is σ = 238980117936. Its totient is φ = 65410194960.

The previous prime is 144423881519. The next prime is 144423881561. The reversal of 144423881558 is 855188324441.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1010210 + ... + 1144277.

It is an arithmetic number, because the mean of its divisors is an integer number (9957504914).

Almost surely, 2^144423881558 is an apocalyptic number.

144423881558 is a deficient number, since it is larger than the sum of its proper divisors (94556236378).

144423881558 is a wasteful number, since it uses less digits than its factorization.

144423881558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2154788 (or 2154777 counting only the distinct ones).

The product of its digits is 4915200, while the sum is 53.

The spelling of 144423881558 in words is "one hundred forty-four billion, four hundred twenty-three million, eight hundred eighty-one thousand, five hundred fifty-eight".