144497673397 has 128 divisors (see below), whose sum is σ = 206928691200. Its totient is φ = 97385164800.

The previous prime is 144497673389. The next prime is 144497673421. The reversal of 144497673397 is 793376794441.

It is not a de Polignac number, because 144497673397 - 2³ = 144497673389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144497673317) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 313443747 + ... + 313444207.

It is an arithmetic number, because the mean of its divisors is an integer number (1616630400).

Almost surely, 2^144497673397 is an apocalyptic number.

144497673397 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

144497673397 is a deficient number, since it is larger than the sum of its proper divisors (62431017803).

144497673397 is a wasteful number, since it uses less digits than its factorization.

144497673397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 907.

The product of its digits is 96018048, while the sum is 64.

The spelling of 144497673397 in words is "one hundred forty-four billion, four hundred ninety-seven million, six hundred seventy-three thousand, three hundred ninety-seven".