142403133 has 8 divisors (see below), whose sum is σ = 190103200. Its totient is φ = 94819248.

The previous prime is 142403111. The next prime is 142403141. The reversal of 142403133 is 331304241.

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

It is not a de Polignac number, because 142403133 - 2⁶ = 142403069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142403333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26143 + ... + 31116.

It is an arithmetic number, because the mean of its divisors is an integer number (23762900).

Almost surely, 2^142403133 is an apocalyptic number.

It is an amenable number.

142403133 is a deficient number, since it is larger than the sum of its proper divisors (47700067).

142403133 is an equidigital number, since it uses as much as digits as its factorization.

142403133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58091.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 142403133 is about 11933.2783844173. The cubic root of 142403133 is about 522.2035839248.

Adding to 142403133 its reverse (331304241), we get a palindrome (473707374).

The spelling of 142403133 in words is "one hundred forty-two million, four hundred three thousand, one hundred thirty-three".