1442143223166 has 16 divisors (see below), whose sum is σ = 2884334105088. Its totient is φ = 480706464600.

The previous prime is 1442143223107. The next prime is 1442143223179. The reversal of 1442143223166 is 6613223412441.

It is a super-2 number, since 2×1442143223166² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1586220 + ... + 2323871.

It is an arithmetic number, because the mean of its divisors is an integer number (180270881568).

Almost surely, 2^{1442143223166} is an apocalyptic number.

1442143223166 is an abundant number, since it is smaller than the sum of its proper divisors (1442190881922).

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

1442143223166 is a wasteful number, since it uses less digits than its factorization.

1442143223166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3971567.

The product of its digits is 165888, while the sum is 39.

The spelling of 1442143223166 in words is "one trillion, four hundred forty-two billion, one hundred forty-three million, two hundred twenty-three thousand, one hundred sixty-six".