1445633499025 has 27 divisors (see below), whose sum is σ = 1803452388283. Its totient is φ = 1149538007600.

The previous prime is 1445633499019. The next prime is 1445633499073. The reversal of 1445633499025 is 5209943365441.

It is a happy number.

The square root of 1445633499025 is 1202345.

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

It can be written as a sum of positive squares in only one way, i.e., 520428059649 + 925205439376 = 721407^2 + 961876^2 .

It is not a de Polignac number, because 1445633499025 - 2²⁹ = 1445096628113 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1148238846 + ... + 1148240104.

Almost surely, 2^{1445633499025} is an apocalyptic number.

1445633499025 is the 1202345-th square number.

1445633499025 is the 601173-rd centered octagonal number.

It is an amenable number.

1445633499025 is a deficient number, since it is larger than the sum of its proper divisors (357818889258).

1445633499025 is an frugal number, since it uses more digits than its factorization.

1445633499025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2910 (or 1455 counting only the distinct ones).

The product of its (nonzero) digits is 13996800, while the sum is 55.

The spelling of 1445633499025 in words is "one trillion, four hundred forty-five billion, six hundred thirty-three million, four hundred ninety-nine thousand, twenty-five".