142303434 has 32 divisors (see below), whose sum is σ = 350286720. Its totient is φ = 37530432.

The previous prime is 142303429. The next prime is 142303439. The reversal of 142303434 is 434303241.

It is an interprime number because it is at equal distance from previous prime (142303429) and next prime (142303439).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (142303439) 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 15 ways as a sum of consecutive naturals, for example, 129769 + ... + 130860.

It is an arithmetic number, because the mean of its divisors is an integer number (10946460).

Almost surely, 2^142303434 is an apocalyptic number.

142303434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

142303434 is an abundant number, since it is smaller than the sum of its proper divisors (207983286).

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

142303434 is a wasteful number, since it uses less digits than its factorization.

142303434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260654.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 142303434 is about 11929.1003013639. The cubic root of 142303434 is about 522.0816874260.

Adding to 142303434 its reverse (434303241), we get a palindrome (576606675).

The spelling of 142303434 in words is "one hundred forty-two million, three hundred three thousand, four hundred thirty-four".