1445423479 has 2 divisors, whose sum is σ = 1445423480. Its totient is φ = 1445423478.

The previous prime is 1445423443. The next prime is 1445423519. The reversal of 1445423479 is 9743245441.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1445423479 - 2¹¹ = 1445421431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1445423429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 722711739 + 722711740.

It is an arithmetic number, because the mean of its divisors is an integer number (722711740).

Almost surely, 2^1445423479 is an apocalyptic number.

1445423479 is a deficient number, since it is larger than the sum of its proper divisors (1).

1445423479 is an equidigital number, since it uses as much as digits as its factorization.

1445423479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 483840, while the sum is 43.

The square root of 1445423479 is about 38018.7253731632. The cubic root of 1445423479 is about 1130.6591499806.

The spelling of 1445423479 in words is "one billion, four hundred forty-five million, four hundred twenty-three thousand, four hundred seventy-nine".