1445582879 has 16 divisors (see below), whose sum is σ = 1688571360. Its totient is φ = 1225251840.

The previous prime is 1445582851. The next prime is 1445582891. The reversal of 1445582879 is 9782855441.

It is a cyclic number.

It is not a de Polignac number, because 1445582879 - 2²⁴ = 1428805663 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1445582879.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1445582839) 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, 70709 + ... + 88830.

It is an arithmetic number, because the mean of its divisors is an integer number (105535710).

Almost surely, 2^1445582879 is an apocalyptic number.

1445582879 is a deficient number, since it is larger than the sum of its proper divisors (242988481).

1445582879 is a wasteful number, since it uses less digits than its factorization.

1445582879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159610.

The product of its digits is 3225600, while the sum is 53.

The square root of 1445582879 is about 38020.8216507745. The cubic root of 1445582879 is about 1130.7007111440.

The spelling of 1445582879 in words is "one billion, four hundred forty-five million, five hundred eighty-two thousand, eight hundred seventy-nine".