142022604 has 12 divisors (see below), whose sum is σ = 331386104. Its totient is φ = 47340864.

The previous prime is 142022527. The next prime is 142022611. The reversal of 142022604 is 406220241.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5917597 + ... + 5917620.

Almost surely, 2^142022604 is an apocalyptic number.

It is an amenable number.

142022604 is an abundant number, since it is smaller than the sum of its proper divisors (189363500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142022604 is a wasteful number, since it uses less digits than its factorization.

142022604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11835224 (or 11835222 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 142022604 is about 11917.3236928431. The cubic root of 142022604 is about 521.7380256486.

Adding to 142022604 its reverse (406220241), we get a palindrome (548242845).

The spelling of 142022604 in words is "one hundred forty-two million, twenty-two thousand, six hundred four".