144480518577 has 24 divisors (see below), whose sum is σ = 209058057000. Its totient is φ = 96152517888.

The previous prime is 144480518573. The next prime is 144480518579. The reversal of 144480518577 is 775815084441.

It is a happy number.

144480518577 is a `hidden beast` number, since 1 + 4 + 44 + 80 + 518 + 5 + 7 + 7 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 28196790561 + 116283728016 = 167919^2 + 341004^2 .

It is not a de Polignac number, because 144480518577 - 2² = 144480518573 is a prime.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (144480518573) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13190299 + ... + 13201247.

It is an arithmetic number, because the mean of its divisors is an integer number (8710752375).

Almost surely, 2^144480518577 is an apocalyptic number.

It is an amenable number.

144480518577 is a deficient number, since it is larger than the sum of its proper divisors (64577538423).

144480518577 is a wasteful number, since it uses less digits than its factorization.

144480518577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13377 (or 13374 counting only the distinct ones).

The product of its (nonzero) digits is 5017600, while the sum is 54.

The spelling of 144480518577 in words is "one hundred forty-four billion, four hundred eighty million, five hundred eighteen thousand, five hundred seventy-seven".