142322930 has 16 divisors (see below), whose sum is σ = 257010624. Its totient is φ = 56744880.

The previous prime is 142322899. The next prime is 142322933. The reversal of 142322930 is 39223241.

It is a self number, because there is not a number n which added to its sum of digits gives 142322930.

It is not an unprimeable number, because it can be changed into a prime (142322933) 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, 19772 + ... + 25991.

It is an arithmetic number, because the mean of its divisors is an integer number (16063164).

Almost surely, 2^142322930 is an apocalyptic number.

142322930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142322930 is a deficient number, since it is larger than the sum of its proper divisors (114687694).

142322930 is a wasteful number, since it uses less digits than its factorization.

142322930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46081.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 142322930 is about 11929.9174347520. The cubic root of 142322930 is about 522.1055285930.

The spelling of 142322930 in words is "one hundred forty-two million, three hundred twenty-two thousand, nine hundred thirty".