142213656 has 64 divisors (see below), whose sum is σ = 386759520. Its totient is φ = 43315200.

The previous prime is 142213633. The next prime is 142213657. The reversal of 142213656 is 656312241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142213657) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29256 + ... + 33768.

Almost surely, 2^142213656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142213656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193379760).

142213656 is an abundant number, since it is smaller than the sum of its proper divisors (244545864).

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

142213656 is a wasteful number, since it uses less digits than its factorization.

142213656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4636 (or 4632 counting only the distinct ones).

The product of its digits is 8640, while the sum is 30.

The square root of 142213656 is about 11925.3367248057. The cubic root of 142213656 is about 521.9718720623.

Adding to 142213656 its reverse (656312241), we get a palindrome (798525897).

The spelling of 142213656 in words is "one hundred forty-two million, two hundred thirteen thousand, six hundred fifty-six".