142216532 has 24 divisors (see below), whose sum is σ = 251805120. Its totient is φ = 70277760.

The previous prime is 142216531. The next prime is 142216573. The reversal of 142216532 is 235612241.

It is a happy number.

142216532 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142216531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140444 + ... + 141452.

It is an arithmetic number, because the mean of its divisors is an integer number (10491880).

Almost surely, 2^142216532 is an apocalyptic number.

It is an amenable number.

142216532 is a deficient number, since it is larger than the sum of its proper divisors (109588588).

142216532 is a wasteful number, since it uses less digits than its factorization.

142216532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1391 (or 1389 counting only the distinct ones).

The product of its digits is 2880, while the sum is 26.

The square root of 142216532 is about 11925.4573077933. The cubic root of 142216532 is about 521.9753906671.

Adding to 142216532 its reverse (235612241), we get a palindrome (377828773).

The spelling of 142216532 in words is "one hundred forty-two million, two hundred sixteen thousand, five hundred thirty-two".