1445246272 has 14 divisors (see below), whose sum is σ = 2867910698. Its totient is φ = 722623104.

The previous prime is 1445246263. The next prime is 1445246273. The reversal of 1445246272 is 2726425441.

It can be written as a sum of positive squares in only one way, i.e., 870014016 + 575232256 = 29496^2 + 23984^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1445246273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11290923 + ... + 11291050.

Almost surely, 2^1445246272 is an apocalyptic number.

It is an amenable number.

1445246272 is a deficient number, since it is larger than the sum of its proper divisors (1422664426).

1445246272 is an equidigital number, since it uses as much as digits as its factorization.

1445246272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22581985 (or 22581975 counting only the distinct ones).

The product of its digits is 107520, while the sum is 37.

The square root of 1445246272 is about 38016.3947790950. The cubic root of 1445246272 is about 1130.6129423219.

The spelling of 1445246272 in words is "one billion, four hundred forty-five million, two hundred forty-six thousand, two hundred seventy-two".