1445223479 has 16 divisors (see below), whose sum is σ = 1670845440. Its totient is φ = 1224447840.

The previous prime is 1445223419. The next prime is 1445223487. The reversal of 1445223479 is 9743225441.

It is not a de Polignac number, because 1445223479 - 2⁸ = 1445223223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1445223419) 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, 351224 + ... + 355314.

It is an arithmetic number, because the mean of its divisors is an integer number (104427840).

Almost surely, 2^1445223479 is an apocalyptic number.

1445223479 is a deficient number, since it is larger than the sum of its proper divisors (225621961).

1445223479 is a wasteful number, since it uses less digits than its factorization.

1445223479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4670.

The product of its digits is 241920, while the sum is 41.

The square root of 1445223479 is about 38016.0949993552. The cubic root of 1445223479 is about 1130.6069986529.

The spelling of 1445223479 in words is "one billion, four hundred forty-five million, two hundred twenty-three thousand, four hundred seventy-nine".