1442857229 has 16 divisors (see below), whose sum is σ = 1657843200. Its totient is φ = 1242909360.

The previous prime is 1442857223. The next prime is 1442857301. The reversal of 1442857229 is 9227582441.

It is not a de Polignac number, because 1442857229 - 2²⁴ = 1426080013 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1442857229.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442857223) 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, 422 + ... + 53720.

It is an arithmetic number, because the mean of its divisors is an integer number (103615200).

Almost surely, 2^1442857229 is an apocalyptic number.

It is an amenable number.

1442857229 is a deficient number, since it is larger than the sum of its proper divisors (214985971).

1442857229 is a wasteful number, since it uses less digits than its factorization.

1442857229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53440.

The product of its digits is 322560, while the sum is 44.

The square root of 1442857229 is about 37984.9605633598. The cubic root of 1442857229 is about 1129.9896177290.

The spelling of 1442857229 in words is "one billion, four hundred forty-two million, eight hundred fifty-seven thousand, two hundred twenty-nine".