142324730 has 8 divisors (see below), whose sum is σ = 256184532. Its totient is φ = 56929888.

The previous prime is 142324729. The next prime is 142324747. The reversal of 142324730 is 37423241.

It can be written as a sum of positive squares in 2 ways, for example, as 129572689 + 12752041 = 11383^2 + 3571^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 142324730.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7116227 + ... + 7116246.

Almost surely, 2^142324730 is an apocalyptic number.

142324730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142324730 is a deficient number, since it is larger than the sum of its proper divisors (113859802).

142324730 is a wasteful number, since it uses less digits than its factorization.

142324730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14232480.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 142324730 is about 11929.9928751027. The cubic root of 142324730 is about 522.1077296578.

Adding to 142324730 its reverse (37423241), we get a palindrome (179747971).

The spelling of 142324730 in words is "one hundred forty-two million, three hundred twenty-four thousand, seven hundred thirty".