142245722 has 8 divisors (see below), whose sum is σ = 214486272. Its totient is φ = 70750300.

The previous prime is 142245713. The next prime is 142245737. The reversal of 142245722 is 227542241.

142245722 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

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, 185804 + ... + 186567.

It is an arithmetic number, because the mean of its divisors is an integer number (26810784).

Almost surely, 2^142245722 is an apocalyptic number.

142245722 is a deficient number, since it is larger than the sum of its proper divisors (72240550).

142245722 is a wasteful number, since it uses less digits than its factorization.

142245722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372564.

The product of its digits is 8960, while the sum is 29.

The square root of 142245722 is about 11926.6810974386. The cubic root of 142245722 is about 522.0111001099.

Adding to 142245722 its reverse (227542241), we get a palindrome (369787963).

The spelling of 142245722 in words is "one hundred forty-two million, two hundred forty-five thousand, seven hundred twenty-two".