142204412 has 12 divisors (see below), whose sum is σ = 284408880. Its totient is φ = 60944736.

The previous prime is 142204411. The next prime is 142204421. The reversal of 142204412 is 214402241.

142204412 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142204411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2539337 + ... + 2539392.

It is an arithmetic number, because the mean of its divisors is an integer number (23700740).

Almost surely, 2^142204412 is an apocalyptic number.

It is an amenable number.

142204412 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

142204412 is a wasteful number, since it uses less digits than its factorization.

142204412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5078740 (or 5078738 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 142204412 is about 11924.9491403528. The cubic root of 142204412 is about 521.9605622892.

Adding to 142204412 its reverse (214402241), we get a palindrome (356606653).

The spelling of 142204412 in words is "one hundred forty-two million, two hundred four thousand, four hundred twelve".