142400303 has 8 divisors (see below), whose sum is σ = 143260560. Its totient is φ = 141543360.

The previous prime is 142400299. The next prime is 142400317. The reversal of 142400303 is 303004241.

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

It is a cyclic number.

It is not a de Polignac number, because 142400303 - 2² = 142400299 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 (142400333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171776 + ... + 172602.

It is an arithmetic number, because the mean of its divisors is an integer number (17907570).

Almost surely, 2^142400303 is an apocalyptic number.

142400303 is a deficient number, since it is larger than the sum of its proper divisors (860257).

142400303 is an equidigital number, since it uses as much as digits as its factorization.

142400303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1657.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 142400303 is about 11933.1598078631. The cubic root of 142400303 is about 522.2001246237.

Adding to 142400303 its reverse (303004241), we get a palindrome (445404544).

The spelling of 142400303 in words is "one hundred forty-two million, four hundred thousand, three hundred three".