1445870312 has 32 divisors (see below), whose sum is σ = 2829956520. Its totient is φ = 691856640.

The previous prime is 1445870311. The next prime is 1445870333. The reversal of 1445870312 is 2130785441.

It can be written as a sum of positive squares in 4 ways, for example, as 1126676356 + 319193956 = 33566^2 + 17866^2 .

It is not an unprimeable number, because it can be changed into a prime (1445870311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21983 + ... + 58094.

Almost surely, 2^1445870312 is an apocalyptic number.

It is an amenable number.

1445870312 is a deficient number, since it is larger than the sum of its proper divisors (1384086208).

1445870312 is a wasteful number, since it uses less digits than its factorization.

1445870312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80181 (or 80177 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 1445870312 is about 38024.6014048800. The cubic root of 1445870312 is about 1130.7756472739.

The spelling of 1445870312 in words is "one billion, four hundred forty-five million, eight hundred seventy thousand, three hundred twelve".