142313227 has 16 divisors (see below), whose sum is σ = 166763520. Its totient is φ = 118914048.

The previous prime is 142313221. The next prime is 142313231. The reversal of 142313227 is 722313241.

It is a happy number.

142313227 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 142313227 - 2⁷ = 142313099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142313221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100299 + ... + 101707.

It is an arithmetic number, because the mean of its divisors is an integer number (10422720).

Almost surely, 2^142313227 is an apocalyptic number.

142313227 is a deficient number, since it is larger than the sum of its proper divisors (24450293).

142313227 is a wasteful number, since it uses less digits than its factorization.

142313227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1770.

The product of its digits is 2016, while the sum is 25.

The square root of 142313227 is about 11929.5107611335. The cubic root of 142313227 is about 522.0936633111.

Adding to 142313227 its reverse (722313241), we get a palindrome (864626468).

The spelling of 142313227 in words is "one hundred forty-two million, three hundred thirteen thousand, two hundred twenty-seven".