1445387965 has 32 divisors (see below), whose sum is σ = 2118928896. Its totient is φ = 924887040.

The previous prime is 1445387953. The next prime is 1445387981. The reversal of 1445387965 is 5697835441.

It is not a de Polignac number, because 1445387965 - 2⁷ = 1445387837 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11109 + ... + 54901.

It is an arithmetic number, because the mean of its divisors is an integer number (66216528).

Almost surely, 2^1445387965 is an apocalyptic number.

It is an amenable number.

1445387965 is a deficient number, since it is larger than the sum of its proper divisors (673540931).

1445387965 is a wasteful number, since it uses less digits than its factorization.

1445387965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43869.

The product of its digits is 3628800, while the sum is 52.

The square root of 1445387965 is about 38018.2583109747. The cubic root of 1445387965 is about 1130.6498898207.

The spelling of 1445387965 in words is "one billion, four hundred forty-five million, three hundred eighty-seven thousand, nine hundred sixty-five".