1442873146 has 16 divisors (see below), whose sum is σ = 2542686048. Its totient is φ = 605401200.

The previous prime is 1442873123. The next prime is 1442873149. The reversal of 1442873146 is 6413782441.

It is a junction number, because it is equal to n+sod(n) for n = 1442873099 and 1442873108.

It is not an unprimeable number, because it can be changed into a prime (1442873149) 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, 2522220 + ... + 2522791.

It is an arithmetic number, because the mean of its divisors is an integer number (158917878).

Almost surely, 2^1442873146 is an apocalyptic number.

1442873146 is a deficient number, since it is larger than the sum of its proper divisors (1099812902).

1442873146 is a wasteful number, since it uses less digits than its factorization.

1442873146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5045037.

The product of its digits is 129024, while the sum is 40.

The square root of 1442873146 is about 37985.1700799141. The cubic root of 1442873146 is about 1129.9937729054.

The spelling of 1442873146 in words is "one billion, four hundred forty-two million, eight hundred seventy-three thousand, one hundred forty-six".