144431320195 has 32 divisors (see below), whose sum is σ = 180690531840. Its totient is φ = 110709504000.

The previous prime is 144431320183. The next prime is 144431320219. The reversal of 144431320195 is 591023134441.

It is a de Polignac number, because none of the positive numbers 2^k-144431320195 is a prime.

It is a super-2 number, since 2×144431320195² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6413355 + ... + 6435835.

It is an arithmetic number, because the mean of its divisors is an integer number (5646579120).

Almost surely, 2^144431320195 is an apocalyptic number.

144431320195 is a deficient number, since it is larger than the sum of its proper divisors (36259211645).

144431320195 is a wasteful number, since it uses less digits than its factorization.

144431320195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22927.

The product of its (nonzero) digits is 51840, while the sum is 37.

The spelling of 144431320195 in words is "one hundred forty-four billion, four hundred thirty-one million, three hundred twenty thousand, one hundred ninety-five".