142402306 has 8 divisors (see below), whose sum is σ = 215285760. Its totient is φ = 70640388.

The previous prime is 142402301. The next prime is 142402327. The reversal of 142402306 is 603204241.

It is a happy number.

142402306 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (142402301) 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, 280066 + ... + 280573.

It is an arithmetic number, because the mean of its divisors is an integer number (26910720).

Almost surely, 2^142402306 is an apocalyptic number.

142402306 is a deficient number, since it is larger than the sum of its proper divisors (72883454).

142402306 is a wasteful number, since it uses less digits than its factorization.

142402306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560768.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 142402306 is about 11933.2437333694. The cubic root of 142402306 is about 522.2025730313.

Adding to 142402306 its reverse (603204241), we get a palindrome (745606547).

The spelling of 142402306 in words is "one hundred forty-two million, four hundred two thousand, three hundred six".