142402352 has 20 divisors (see below), whose sum is σ = 276373680. Its totient is φ = 71080128.

The previous prime is 142402333. The next prime is 142402373. The reversal of 142402352 is 253204241.

It is a happy number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 2549 + ... + 17067.

It is an arithmetic number, because the mean of its divisors is an integer number (13818684).

Almost surely, 2^142402352 is an apocalyptic number.

It is an amenable number.

142402352 is a deficient number, since it is larger than the sum of its proper divisors (133971328).

142402352 is a wasteful number, since it uses less digits than its factorization.

142402352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15140 (or 15134 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 142402352 is about 11933.2456607580. The cubic root of 142402352 is about 522.2026292600.

Adding to 142402352 its reverse (253204241), we get a palindrome (395606593).

The spelling of 142402352 in words is "one hundred forty-two million, four hundred two thousand, three hundred fifty-two".