142224302 has 8 divisors (see below), whose sum is σ = 232730712. Its totient is φ = 64647400.

The previous prime is 142224283. The next prime is 142224307. The reversal of 142224302 is 203422241.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142224307) 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, 3232349 + ... + 3232392.

It is an arithmetic number, because the mean of its divisors is an integer number (29091339).

Almost surely, 2^142224302 is an apocalyptic number.

142224302 is a deficient number, since it is larger than the sum of its proper divisors (90506410).

142224302 is a wasteful number, since it uses less digits than its factorization.

142224302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6464754.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 142224302 is about 11925.7830770143. The cubic root of 142224302 is about 521.9848965355.

Adding to 142224302 its reverse (203422241), we get a palindrome (345646543).

The spelling of 142224302 in words is "one hundred forty-two million, two hundred twenty-four thousand, three hundred two".