142210232 has 8 divisors (see below), whose sum is σ = 266644200. Its totient is φ = 71105112.

The previous prime is 142210217. The next prime is 142210241. The reversal of 142210232 is 232012241.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 142210232.

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, 8888132 + ... + 8888147.

It is an arithmetic number, because the mean of its divisors is an integer number (33330525).

Almost surely, 2^142210232 is an apocalyptic number.

It is an amenable number.

142210232 is a deficient number, since it is larger than the sum of its proper divisors (124433968).

142210232 is a wasteful number, since it uses less digits than its factorization.

142210232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17776285 (or 17776281 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 142210232 is about 11925.1931640540. The cubic root of 142210232 is about 521.9676829520.

Adding to 142210232 its reverse (232012241), we get a palindrome (374222473).

The spelling of 142210232 in words is "one hundred forty-two million, two hundred ten thousand, two hundred thirty-two".