142886402 has 8 divisors (see below), whose sum is σ = 214430412. Its totient is φ = 71409600.

The previous prime is 142886371. The next prime is 142886407. The reversal of 142886402 is 204688241.

It can be written as a sum of positive squares in 2 ways, for example, as 142110241 + 776161 = 11921^2 + 881^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (142886407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11099 + ... + 20222.

Almost surely, 2^142886402 is an apocalyptic number.

142886402 is a deficient number, since it is larger than the sum of its proper divisors (71544010).

142886402 is a wasteful number, since it uses less digits than its factorization.

142886402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33604.

The product of its (nonzero) digits is 24576, while the sum is 35.

The square root of 142886402 is about 11953.5100284393. The cubic root of 142886402 is about 522.7936455213.

The spelling of 142886402 in words is "one hundred forty-two million, eight hundred eighty-six thousand, four hundred two".