142214402 has 16 divisors (see below), whose sum is σ = 233142624. Its totient is φ = 64524000.

The previous prime is 142214399. The next prime is 142214407. The reversal of 142214402 is 204412241.

It is a super-2 number, since 2×142214402² = 40449872272435208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (142214407) 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, 6902 + ... + 18222.

It is an arithmetic number, because the mean of its divisors is an integer number (14571414).

Almost surely, 2^142214402 is an apocalyptic number.

142214402 is a deficient number, since it is larger than the sum of its proper divisors (90928222).

142214402 is a wasteful number, since it uses less digits than its factorization.

142214402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11905.

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

The square root of 142214402 is about 11925.3680027075. The cubic root of 142214402 is about 521.9727847508.

Adding to 142214402 its reverse (204412241), we get a palindrome (346626643).

The spelling of 142214402 in words is "one hundred forty-two million, two hundred fourteen thousand, four hundred two".