142433402 has 8 divisors (see below), whose sum is σ = 213779412. Its totient is φ = 71173600.

The previous prime is 142433399. The next prime is 142433441. The reversal of 142433402 is 204334241.

It can be written as a sum of positive squares in 2 ways, for example, as 138556441 + 3876961 = 11771^2 + 1969^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17249 + ... + 24132.

Almost surely, 2^142433402 is an apocalyptic number.

142433402 is a deficient number, since it is larger than the sum of its proper divisors (71346010).

142433402 is a wasteful number, since it uses less digits than its factorization.

142433402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43104.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 142433402 is about 11934.5465770594. The cubic root of 142433402 is about 522.2405809115.

Adding to 142433402 its reverse (204334241), we get a palindrome (346767643).

The spelling of 142433402 in words is "one hundred forty-two million, four hundred thirty-three thousand, four hundred two".