144752661365 has 8 divisors (see below), whose sum is σ = 187064977848. Its totient is φ = 106894272960.

The previous prime is 144752661343. The next prime is 144752661419. The reversal of 144752661365 is 563166257441.

It can be written as a sum of positive squares in 4 ways, for example, as 1158653521 + 143594007844 = 34039^2 + 378938^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 144752661365 - 2³⁰ = 143678919541 is a prime.

It is a Duffinian number.

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, 1113481946 + ... + 1113482075.

It is an arithmetic number, because the mean of its divisors is an integer number (23383122231).

Almost surely, 2^144752661365 is an apocalyptic number.

It is an amenable number.

144752661365 is a deficient number, since it is larger than the sum of its proper divisors (42312316483).

144752661365 is a wasteful number, since it uses less digits than its factorization.

144752661365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2226964039.

The product of its digits is 3628800, while the sum is 50.

The spelling of 144752661365 in words is "one hundred forty-four billion, seven hundred fifty-two million, six hundred sixty-one thousand, three hundred sixty-five".