142133403 has 8 divisors (see below), whose sum is σ = 191910400. Its totient is φ = 93556008.

The previous prime is 142133401. The next prime is 142133423. The reversal of 142133403 is 304331241.

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

It is not a de Polignac number, because 142133403 - 2¹ = 142133401 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 142133403.

It is not an unprimeable number, because it can be changed into a prime (142133401) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 299623 + ... + 300096.

It is an arithmetic number, because the mean of its divisors is an integer number (23988800).

Almost surely, 2^142133403 is an apocalyptic number.

142133403 is a deficient number, since it is larger than the sum of its proper divisors (49776997).

142133403 is an equidigital number, since it uses as much as digits as its factorization.

142133403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599801.

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

The square root of 142133403 is about 11921.9714393216. The cubic root of 142133403 is about 521.8736684346.

Adding to 142133403 its reverse (304331241), we get a palindrome (446464644).

The spelling of 142133403 in words is "one hundred forty-two million, one hundred thirty-three thousand, four hundred three".