142236303 has 16 divisors (see below), whose sum is σ = 211702656. Its totient is φ = 84198240.

The previous prime is 142236293. The next prime is 142236349. The reversal of 142236303 is 303632241.

It is not a de Polignac number, because 142236303 - 2⁴ = 142236287 is a prime.

It is a super-2 number, since 2×142236303² = 40462331782215618, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142236373) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48700 + ... + 51537.

It is an arithmetic number, because the mean of its divisors is an integer number (13231416).

Almost surely, 2^142236303 is an apocalyptic number.

142236303 is a deficient number, since it is larger than the sum of its proper divisors (69466353).

142236303 is a wasteful number, since it uses less digits than its factorization.

142236303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100294.

The product of its (nonzero) digits is 2592, while the sum is 24.

The square root of 142236303 is about 11926.2862199429. The cubic root of 142236303 is about 521.9995779565. Note that the first 3 decimals are identical.

Adding to 142236303 its reverse (303632241), we get a palindrome (445868544).

The spelling of 142236303 in words is "one hundred forty-two million, two hundred thirty-six thousand, three hundred three".