1445143422 has 16 divisors (see below), whose sum is σ = 2897358480. Its totient is φ = 480535872.

The previous prime is 1445143411. The next prime is 1445143423. The reversal of 1445143422 is 2243415441.

1445143422 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 1445143422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1445143423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 291993 + ... + 296900.

It is an arithmetic number, because the mean of its divisors is an integer number (181084905).

Almost surely, 2^1445143422 is an apocalyptic number.

1445143422 is an abundant number, since it is smaller than the sum of its proper divisors (1452215058).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1445143422 is a wasteful number, since it uses less digits than its factorization.

1445143422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 589307.

The product of its digits is 15360, while the sum is 30.

The square root of 1445143422 is about 38015.0420491679. The cubic root of 1445143422 is about 1130.5861219103.

Adding to 1445143422 its reverse (2243415441), we get a palindrome (3688558863).

The spelling of 1445143422 in words is "one billion, four hundred forty-five million, one hundred forty-three thousand, four hundred twenty-two".