142402329 has 12 divisors (see below), whose sum is σ = 205821616. Its totient is φ = 94875192.

The previous prime is 142402327. The next prime is 142402331. The reversal of 142402329 is 923204241.

142402329 is a `hidden beast` number, since 1 + 424 + 0 + 232 + 9 = 666.

142402329 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (142402327) and next prime (142402331).

It is not a de Polignac number, because 142402329 - 2¹ = 142402327 is a prime.

It is a Duffinian number.

It is a Curzon number.

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

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13902 + ... + 21864.

Almost surely, 2^142402329 is an apocalyptic number.

It is an amenable number.

142402329 is a deficient number, since it is larger than the sum of its proper divisors (63419287).

142402329 is a wasteful number, since it uses less digits than its factorization.

142402329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9956 (or 9953 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 142402329 is about 11933.2446970637. The cubic root of 142402329 is about 522.2026011457.

The spelling of 142402329 in words is "one hundred forty-two million, four hundred two thousand, three hundred twenty-nine".