142289749223 has 4 divisors (see below), whose sum is σ = 142305693840. Its totient is φ = 142273804608.

The previous prime is 142289749193. The next prime is 142289749237. The reversal of 142289749223 is 322947982241.

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 142289749223 - 2¹² = 142289745127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142289749243) 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, 7958915 + ... + 7976772.

It is an arithmetic number, because the mean of its divisors is an integer number (35576423460).

Almost surely, 2^142289749223 is an apocalyptic number.

142289749223 is a deficient number, since it is larger than the sum of its proper divisors (15944617).

142289749223 is an equidigital number, since it uses as much as digits as its factorization.

142289749223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15944616.

The product of its digits is 3483648, while the sum is 53.

The spelling of 142289749223 in words is "one hundred forty-two billion, two hundred eighty-nine million, seven hundred forty-nine thousand, two hundred twenty-three".