1445586961 has 24 divisors (see below), whose sum is σ = 1866775680. Its totient is φ = 1094011776.

The previous prime is 1445586949. The next prime is 1445586973. The reversal of 1445586961 is 1696855441.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1445586949) and next prime (1445586973).

It is not a de Polignac number, because 1445586961 - 2¹⁵ = 1445554193 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1445586911) 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 23 ways as a sum of consecutive naturals, for example, 645 + ... + 53773.

It is an arithmetic number, because the mean of its divisors is an integer number (77782320).

Almost surely, 2^1445586961 is an apocalyptic number.

It is an amenable number.

1445586961 is a deficient number, since it is larger than the sum of its proper divisors (421188719).

1445586961 is a wasteful number, since it uses less digits than its factorization.

1445586961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53185 (or 53172 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 49.

The square root of 1445586961 is about 38020.8753318489. The cubic root of 1445586961 is about 1130.7017754242.

The spelling of 1445586961 in words is "one billion, four hundred forty-five million, five hundred eighty-six thousand, nine hundred sixty-one".