142466227 has 4 divisors (see below), whose sum is σ = 143062560. Its totient is φ = 141869896.

The previous prime is 142466189. The next prime is 142466251. The reversal of 142466227 is 722664241.

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 142466227 - 2⁷ = 142466099 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 142466192 and 142466201.

It is not an unprimeable number, because it can be changed into a prime (142466627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 297808 + ... + 298285.

It is an arithmetic number, because the mean of its divisors is an integer number (35765640).

Almost surely, 2^142466227 is an apocalyptic number.

142466227 is a deficient number, since it is larger than the sum of its proper divisors (596333).

142466227 is an equidigital number, since it uses as much as digits as its factorization.

142466227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596332.

The product of its digits is 32256, while the sum is 34.

The square root of 142466227 is about 11935.9217071829. The cubic root of 142466227 is about 522.2806961048.

The spelling of 142466227 in words is "one hundred forty-two million, four hundred sixty-six thousand, two hundred twenty-seven".