2644754230145 has 8 divisors (see below), whose sum is σ = 3173920462440. Its totient is φ = 2115659793280.

The previous prime is 2644754230133. The next prime is 2644754230189. The reversal of 2644754230145 is 5410324574462.

It can be written as a sum of positive squares in 4 ways, for example, as 1526507199361 + 1118247030784 = 1235519^2 + 1057472^2 .

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

It is not a de Polignac number, because 2644754230145 - 2⁶ = 2644754230081 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2644754230145.

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, 17867780 + ... + 18015189.

It is an arithmetic number, because the mean of its divisors is an integer number (396740057805).

Almost surely, 2^{2644754230145} is an apocalyptic number.

It is an amenable number.

2644754230145 is a deficient number, since it is larger than the sum of its proper divisors (529166232295).

2644754230145 is a wasteful number, since it uses less digits than its factorization.

2644754230145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35897715.

The product of its (nonzero) digits is 3225600, while the sum is 47.

The spelling of 2644754230145 in words is "two trillion, six hundred forty-four billion, seven hundred fifty-four million, two hundred thirty thousand, one hundred forty-five".