142220702 has 16 divisors (see below), whose sum is σ = 229938912. Its totient is φ = 65583840.

The previous prime is 142220629. The next prime is 142220713. The reversal of 142220702 is 207022241.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52952 + ... + 55572.

It is an arithmetic number, because the mean of its divisors is an integer number (14371182).

Almost surely, 2^142220702 is an apocalyptic number.

142220702 is a deficient number, since it is larger than the sum of its proper divisors (87718210).

142220702 is a wasteful number, since it uses less digits than its factorization.

142220702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4723.

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 142220702 is about 11925.6321425742. The cubic root of 142220702 is about 521.9804923152.

Adding to 142220702 its reverse (207022241), we get a palindrome (349242943).

The spelling of 142220702 in words is "one hundred forty-two million, two hundred twenty thousand, seven hundred two".