1144482738025 has 81 divisors (see below), whose sum is σ = 1594232951493. Its totient is φ = 814421150400.

The previous prime is 1144482738013. The next prime is 1144482738083. The reversal of 1144482738025 is 5208372844411.

The square root of 1144482738025 is 1069805.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 8621308201 + 1135861429824 = 92851^2 + 1065768^2 .

It is not a de Polignac number, because 1144482738025 - 2⁹ = 1144482737513 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1144482738025.

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 3118481392 + ... + 3118481758.

Almost surely, 2^{1144482738025} is an apocalyptic number.

1144482738025 is the 1069805-th square number.

1144482738025 is the 534903-rd centered octagonal number.

It is an amenable number.

1144482738025 is a deficient number, since it is larger than the sum of its proper divisors (449750213468).

1144482738025 is an frugal number, since it uses more digits than its factorization.

1144482738025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 872 (or 436 counting only the distinct ones).

The product of its (nonzero) digits is 1720320, while the sum is 49.

Multiplying 1144482738025 by its sum of digits (49), we get a square (56079654163225 = 7488635²).

The spelling of 1144482738025 in words is "one trillion, one hundred forty-four billion, four hundred eighty-two million, seven hundred thirty-eight thousand, twenty-five".