142534303 has 4 divisors (see below), whose sum is σ = 142562608. Its totient is φ = 142506000.

The previous prime is 142534297. The next prime is 142534309. The reversal of 142534303 is 303435241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 303435241 = 2221 ⋅136621.

It is an interprime number because it is at equal distance from previous prime (142534297) and next prime (142534309).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142534303 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 (142534309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4323 + ... + 17428.

It is an arithmetic number, because the mean of its divisors is an integer number (35640652).

Almost surely, 2^142534303 is an apocalyptic number.

142534303 is a deficient number, since it is larger than the sum of its proper divisors (28305).

142534303 is an equidigital number, since it uses as much as digits as its factorization.

142534303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28304.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 142534303 is about 11938.7730944180. The cubic root of 142534303 is about 522.3638716516.

Adding to 142534303 its reverse (303435241), we get a palindrome (445969544).

The spelling of 142534303 in words is "one hundred forty-two million, five hundred thirty-four thousand, three hundred three".