142430340 has 48 divisors (see below), whose sum is σ = 429484608. Its totient is φ = 35059584.

The previous prime is 142430317. The next prime is 142430341. The reversal of 142430340 is 43034241.

It is not an unprimeable number, because it can be changed into a prime (142430341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90522 + ... + 92081.

It is an arithmetic number, because the mean of its divisors is an integer number (8947596).

Almost surely, 2^142430340 is an apocalyptic number.

142430340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142430340 is an abundant number, since it is smaller than the sum of its proper divisors (287054268).

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

142430340 is a wasteful number, since it uses less digits than its factorization.

142430340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182628 (or 182626 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 142430340 is about 11934.4182933229. The cubic root of 142430340 is about 522.2368385494.

Adding to 142430340 its reverse (43034241), we get a palindrome (185464581).

The spelling of 142430340 in words is "one hundred forty-two million, four hundred thirty thousand, three hundred forty".