142244347 has 8 divisors (see below), whose sum is σ = 162725600. Its totient is φ = 121803264.

The previous prime is 142244327. The next prime is 142244353. The reversal of 142244347 is 743442241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 142244347 - 2¹¹ = 142242299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142244327) 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, 2022 + ... + 16987.

It is an arithmetic number, because the mean of its divisors is an integer number (20340700).

Almost surely, 2^142244347 is an apocalyptic number.

142244347 is a deficient number, since it is larger than the sum of its proper divisors (20481253).

142244347 is a wasteful number, since it uses less digits than its factorization.

142244347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20085.

The product of its digits is 21504, while the sum is 31.

The square root of 142244347 is about 11926.6234534339. The cubic root of 142244347 is about 522.0094181201.

Adding to 142244347 its reverse (743442241), we get a palindrome (885686588).

The spelling of 142244347 in words is "one hundred forty-two million, two hundred forty-four thousand, three hundred forty-seven".