144442270576438 has 16 divisors (see below), whose sum is σ = 217482409170000. Its totient is φ = 71948582098272.

The previous prime is 144442270576397. The next prime is 144442270576481. The reversal of 144442270576438 is 834675072244441.

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, 111332388 + ... + 112622311.

It is an arithmetic number, because the mean of its divisors is an integer number (13592650573125).

Almost surely, 2^{144442270576438} is an apocalyptic number.

144442270576438 is a deficient number, since it is larger than the sum of its proper divisors (73040138593562).

144442270576438 is a wasteful number, since it uses less digits than its factorization.

144442270576438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223955919.

The product of its (nonzero) digits is 144506880, while the sum is 61.

The spelling of 144442270576438 in words is "one hundred forty-four trillion, four hundred forty-two billion, two hundred seventy million, five hundred seventy-six thousand, four hundred thirty-eight".