1445996969 has 4 divisors (see below), whose sum is σ = 1446073344. Its totient is φ = 1445920596.

The previous prime is 1445996947. The next prime is 1445996977. The reversal of 1445996969 is 9696995441.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1445996969 is a prime.

It is a super-2 number, since 2×1445996969² = 4181814468714373922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1445996939) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 13844 + ... + 55530.

It is an arithmetic number, because the mean of its divisors is an integer number (361518336).

Almost surely, 2^1445996969 is an apocalyptic number.

It is an amenable number.

1445996969 is a deficient number, since it is larger than the sum of its proper divisors (76375).

1445996969 is an equidigital number, since it uses as much as digits as its factorization.

1445996969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76374.

The product of its digits is 18895680, while the sum is 62.

The square root of 1445996969 is about 38026.2668296534. The cubic root of 1445996969 is about 1130.8086646356.

The spelling of 1445996969 in words is "one billion, four hundred forty-five million, nine hundred ninety-six thousand, nine hundred sixty-nine".