142312440430 has 16 divisors (see below), whose sum is σ = 267299888544. Its totient is φ = 54449977120.

The previous prime is 142312440421. The next prime is 142312440521. The reversal of 142312440430 is 34044213241.

It is a super-2 number, since 2×142312440430² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 309374641 + ... + 309375100.

It is an arithmetic number, because the mean of its divisors is an integer number (16706243034).

Almost surely, 2^142312440430 is an apocalyptic number.

142312440430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142312440430 is a deficient number, since it is larger than the sum of its proper divisors (124987448114).

142312440430 is a wasteful number, since it uses less digits than its factorization.

142312440430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618749771.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 142312440430 its reverse (34044213241), we get a palindrome (176356653671).

The spelling of 142312440430 in words is "one hundred forty-two billion, three hundred twelve million, four hundred forty thousand, four hundred thirty".