142244119 has 4 divisors (see below), whose sum is σ = 142309944. Its totient is φ = 142178296.

The previous prime is 142244111. The next prime is 142244143. The reversal of 142244119 is 911442241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 142244119 - 2³ = 142244111 is a prime.

It is a super-2 number, since 2×142244119² = 40466778780172322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142244111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29557 + ... + 34030.

It is an arithmetic number, because the mean of its divisors is an integer number (35577486).

Almost surely, 2^142244119 is an apocalyptic number.

142244119 is a deficient number, since it is larger than the sum of its proper divisors (65825).

142244119 is an equidigital number, since it uses as much as digits as its factorization.

142244119 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65824.

The product of its digits is 2304, while the sum is 28.

The square root of 142244119 is about 11926.6138949829. The cubic root of 142244119 is about 522.0091392145.

The spelling of 142244119 in words is "one hundred forty-two million, two hundred forty-four thousand, one hundred nineteen".