144439364494 has 16 divisors (see below), whose sum is σ = 219489822720. Its totient is φ = 71276825880.

The previous prime is 144439364453. The next prime is 144439364513. The reversal of 144439364494 is 494463934441.

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 in 7 ways as a sum of consecutive naturals, for example, 212859 + ... + 578089.

It is an arithmetic number, because the mean of its divisors is an integer number (13718113920).

Almost surely, 2^144439364494 is an apocalyptic number.

144439364494 is a deficient number, since it is larger than the sum of its proper divisors (75050458226).

144439364494 is a wasteful number, since it uses less digits than its factorization.

144439364494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367815.

The product of its digits is 17915904, while the sum is 55.

The spelling of 144439364494 in words is "one hundred forty-four billion, four hundred thirty-nine million, three hundred sixty-four thousand, four hundred ninety-four".