1445625025 has 12 divisors (see below), whose sum is σ = 1930465852. Its totient is φ = 1067538240.

The previous prime is 1445625011. The next prime is 1445625037. The reversal of 1445625025 is 5205265441.

It can be written as a sum of positive squares in 6 ways, for example, as 3448449 + 1442176576 = 1857^2 + 37976^2 .

It is not a de Polignac number, because 1445625025 - 2⁵ = 1445624993 is a prime.

It is a super-3 number, since 3×1445625025³ (a number of 28 digits) contains 333 as substring.

It is a Duffinian 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, 2223714 + ... + 2224363.

Almost surely, 2^1445625025 is an apocalyptic number.

It is an amenable number.

1445625025 is a deficient number, since it is larger than the sum of its proper divisors (484840827).

1445625025 is a wasteful number, since it uses less digits than its factorization.

1445625025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4448100 (or 4448095 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 34.

The square root of 1445625025 is about 38021.3758956722. The cubic root of 1445625025 is about 1130.7116995717.

The spelling of 1445625025 in words is "one billion, four hundred forty-five million, six hundred twenty-five thousand, twenty-five".