142312434 has 64 divisors (see below), whose sum is σ = 322607232. Its totient is φ = 41472000.

The previous prime is 142312427. The next prime is 142312441. The reversal of 142312434 is 434213241.

It is an interprime number because it is at equal distance from previous prime (142312427) and next prime (142312441).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 246354 + ... + 246930.

It is an arithmetic number, because the mean of its divisors is an integer number (5040738).

Almost surely, 2^142312434 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142312434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161303616).

142312434 is an abundant number, since it is smaller than the sum of its proper divisors (180294798).

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

142312434 is a wasteful number, since it uses less digits than its factorization.

142312434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 731.

The product of its digits is 2304, while the sum is 24.

The square root of 142312434 is about 11929.4775241835. The cubic root of 142312434 is about 522.0926935697.

Adding to 142312434 its reverse (434213241), we get a palindrome (576525675).

The spelling of 142312434 in words is "one hundred forty-two million, three hundred twelve thousand, four hundred thirty-four".