142303133 has 8 divisors (see below), whose sum is σ = 163820352. Its totient is φ = 121082976.

The previous prime is 142303129. The next prime is 142303151. The reversal of 142303133 is 331303241.

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

It is not a de Polignac number, because 142303133 - 2² = 142303129 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 (142303123) 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, 73235 + ... + 75152.

It is an arithmetic number, because the mean of its divisors is an integer number (20477544).

Almost surely, 2^142303133 is an apocalyptic number.

It is an amenable number.

142303133 is a deficient number, since it is larger than the sum of its proper divisors (21517219).

142303133 is a wasteful number, since it uses less digits than its factorization.

142303133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148531.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 142303133 is about 11929.0876851501. The cubic root of 142303133 is about 522.0813193237.

Adding to 142303133 its reverse (331303241), we get a palindrome (473606374).

The spelling of 142303133 in words is "one hundred forty-two million, three hundred three thousand, one hundred thirty-three".