142214224 has 10 divisors (see below), whose sum is σ = 275540090. Its totient is φ = 71107104.

The previous prime is 142214213. The next prime is 142214269. The reversal of 142214224 is 422412241.

It can be written as a sum of positive squares in only one way, i.e., 122500624 + 19713600 = 11068^2 + 4440^2 .

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 142214195 and 142214204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4444179 + ... + 4444210.

It is an arithmetic number, because the mean of its divisors is an integer number (27554009).

Almost surely, 2^142214224 is an apocalyptic number.

It is an amenable number.

142214224 is a deficient number, since it is larger than the sum of its proper divisors (133325866).

142214224 is an equidigital number, since it uses as much as digits as its factorization.

142214224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8888397 (or 8888391 counting only the distinct ones).

The product of its digits is 1024, while the sum is 22.

The square root of 142214224 is about 11925.3605396231. The cubic root of 142214224 is about 521.9725669782.

Adding to 142214224 its reverse (422412241), we get a palindrome (564626465).

The spelling of 142214224 in words is "one hundred forty-two million, two hundred fourteen thousand, two hundred twenty-four".