142252444231130 has 8 divisors (see below), whose sum is σ = 256054399616052. Its totient is φ = 56900977692448.

The previous prime is 142252444231129. The next prime is 142252444231169. The reversal of 142252444231130 is 31132444252241.

It can be written as a sum of positive squares in 2 ways, for example, as 142088855530609 + 163588700521 = 11920103^2 + 404461^2 .

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

It is a super-2 number, since 2×142252444231130² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

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, 7112622211547 + ... + 7112622211566.

Almost surely, 2^{142252444231130} is an apocalyptic number.

142252444231130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142252444231130 is a deficient number, since it is larger than the sum of its proper divisors (113801955384922).

142252444231130 is a wasteful number, since it uses less digits than its factorization.

142252444231130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14225244423120.

The product of its (nonzero) digits is 184320, while the sum is 38.

Adding to 142252444231130 its reverse (31132444252241), we get a palindrome (173384888483371).

The spelling of 142252444231130 in words is "one hundred forty-two trillion, two hundred fifty-two billion, four hundred forty-four million, two hundred thirty-one thousand, one hundred thirty".