142402328 has 8 divisors (see below), whose sum is σ = 267004380. Its totient is φ = 71201160.

The previous prime is 142402327. The next prime is 142402331. The reversal of 142402328 is 823204241.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 142402297 and 142402306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142402327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8900138 + ... + 8900153.

Almost surely, 2^142402328 is an apocalyptic number.

It is an amenable number.

142402328 is a deficient number, since it is larger than the sum of its proper divisors (124602052).

142402328 is a wasteful number, since it uses less digits than its factorization.

142402328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17800297 (or 17800293 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

The square root of 142402328 is about 11933.2446551640. The cubic root of 142402328 is about 522.2025999233.

Adding to 142402328 its reverse (823204241), we get a palindrome (965606569).

The spelling of 142402328 in words is "one hundred forty-two million, four hundred two thousand, three hundred twenty-eight".