142403422 has 16 divisors (see below), whose sum is σ = 247560192. Its totient is φ = 60170040.

The previous prime is 142403413. The next prime is 142403431. The reversal of 142403422 is 224304241.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (142403413) and next prime (142403431).

It is a junction number, because it is equal to n+sod(n) for n = 142403393 and 142403402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70638 + ... + 72625.

It is an arithmetic number, because the mean of its divisors is an integer number (15472512).

Almost surely, 2^142403422 is an apocalyptic number.

142403422 is a deficient number, since it is larger than the sum of its proper divisors (105156770).

142403422 is a wasteful number, since it uses less digits than its factorization.

142403422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143343.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 142403422 is about 11933.2904934054. The cubic root of 142403422 is about 522.2039371865.

Adding to 142403422 its reverse (224304241), we get a palindrome (366707663).

The spelling of 142403422 in words is "one hundred forty-two million, four hundred three thousand, four hundred twenty-two".