142303506 has 16 divisors (see below), whose sum is σ = 284745024. Its totient is φ = 47411504.

The previous prime is 142303501. The next prime is 142303523. The reversal of 142303506 is 605303241.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (142303501) 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, 11755 + ... + 20561.

It is an arithmetic number, because the mean of its divisors is an integer number (17796564).

Almost surely, 2^142303506 is an apocalyptic number.

142303506 is an abundant number, since it is smaller than the sum of its proper divisors (142441518).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142303506 is a wasteful number, since it uses less digits than its factorization.

142303506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11505.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 142303506 is about 11929.1033191938. The cubic root of 142303506 is about 522.0817754770.

Adding to 142303506 its reverse (605303241), we get a palindrome (747606747).

The spelling of 142303506 in words is "one hundred forty-two million, three hundred three thousand, five hundred six".