1445699725 has 12 divisors (see below), whose sum is σ = 1850496640. Its totient is φ = 1119250800.

The previous prime is 1445699711. The next prime is 1445699741. The reversal of 1445699725 is 5279965441.

It is not a de Polignac number, because 1445699725 - 2¹⁹ = 1445175437 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 931935 + ... + 933484.

Almost surely, 2^1445699725 is an apocalyptic number.

It is an amenable number.

1445699725 is a deficient number, since it is larger than the sum of its proper divisors (404796915).

1445699725 is a wasteful number, since it uses less digits than its factorization.

1445699725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1865460 (or 1865455 counting only the distinct ones).

The product of its digits is 2721600, while the sum is 52.

The square root of 1445699725 is about 38022.3582251285. The cubic root of 1445699725 is about 1130.7311750483.

The spelling of 1445699725 in words is "one billion, four hundred forty-five million, six hundred ninety-nine thousand, seven hundred twenty-five".