144559926457 has 4 divisors (see below), whose sum is σ = 144670871680. Its totient is φ = 144448981236.

The previous prime is 144559926449. The next prime is 144559926461. The reversal of 144559926457 is 754629955441.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 754629955441 = 131 ⋅5760534011.

It is a cyclic number.

It is not a de Polignac number, because 144559926457 - 2³ = 144559926449 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144559926395 and 144559926404.

It is not an unprimeable number, because it can be changed into a prime (144559926437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55470657 + ... + 55473262.

It is an arithmetic number, because the mean of its divisors is an integer number (36167717920).

Almost surely, 2^144559926457 is an apocalyptic number.

It is an amenable number.

144559926457 is a deficient number, since it is larger than the sum of its proper divisors (110945223).

144559926457 is a wasteful number, since it uses less digits than its factorization.

144559926457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110945222.

The product of its digits is 54432000, while the sum is 61.

The spelling of 144559926457 in words is "one hundred forty-four billion, five hundred fifty-nine million, nine hundred twenty-six thousand, four hundred fifty-seven".