142412730 has 16 divisors (see below), whose sum is σ = 341790624. Its totient is φ = 37976720.

The previous prime is 142412719. The next prime is 142412731. The reversal of 142412730 is 37214241.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 142412730.

It is not an unprimeable number, because it can be changed into a prime (142412731) 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, 2373516 + ... + 2373575.

It is an arithmetic number, because the mean of its divisors is an integer number (21361914).

Almost surely, 2^142412730 is an apocalyptic number.

142412730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142412730 is an abundant number, since it is smaller than the sum of its proper divisors (199377894).

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

142412730 is a wasteful number, since it uses less digits than its factorization.

142412730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4747101.

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 142412730 is about 11933.6804884327. The cubic root of 142412730 is about 522.2153146480.

Adding to 142412730 its reverse (37214241), we get a palindrome (179626971).

The spelling of 142412730 in words is "one hundred forty-two million, four hundred twelve thousand, seven hundred thirty".