1445921074 has 24 divisors (see below), whose sum is σ = 2380764852. Its totient is φ = 658195200.

The previous prime is 1445921051. The next prime is 1445921093. The reversal of 1445921074 is 4701295441.

It can be written as a sum of positive squares in 6 ways, for example, as 210047049 + 1235874025 = 14493^2 + 35155^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4627 + ... + 53974.

Almost surely, 2^1445921074 is an apocalyptic number.

1445921074 is a deficient number, since it is larger than the sum of its proper divisors (934843778).

1445921074 is a wasteful number, since it uses less digits than its factorization.

1445921074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58702 (or 58689 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 1445921074 is about 38025.2688879382. The cubic root of 1445921074 is about 1130.7888803099.

The spelling of 1445921074 in words is "one billion, four hundred forty-five million, nine hundred twenty-one thousand, seventy-four".