1445504313 has 16 divisors (see below), whose sum is σ = 2103192000. Its totient is φ = 875796480.

The previous prime is 1445504311. The next prime is 1445504321. The reversal of 1445504313 is 3134055441.

It is not a de Polignac number, because 1445504313 - 2¹ = 1445504311 is a prime.

It is a super-3 number, since 3×1445504313³ (a number of 28 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (1445504311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 189273 + ... + 196761.

It is an arithmetic number, because the mean of its divisors is an integer number (131449500).

Almost surely, 2^1445504313 is an apocalyptic number.

It is an amenable number.

1445504313 is a deficient number, since it is larger than the sum of its proper divisors (657687687).

1445504313 is a wasteful number, since it uses less digits than its factorization.

1445504313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13352.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 1445504313 is about 38019.7884397060. The cubic root of 1445504313 is about 1130.6802266177.

Adding to 1445504313 its reverse (3134055441), we get a palindrome (4579559754).

The spelling of 1445504313 in words is "one billion, four hundred forty-five million, five hundred four thousand, three hundred thirteen".