142404131230 has 32 divisors (see below), whose sum is σ = 257483772000. Its totient is φ = 56705083392.

The previous prime is 142404131201. The next prime is 142404131239. The reversal of 142404131230 is 32131404241.

It is a super-2 number, since 2×142404131230² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 142404131195 and 142404131204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142404131239) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2944686 + ... + 2992654.

It is an arithmetic number, because the mean of its divisors is an integer number (8046367875).

Almost surely, 2^142404131230 is an apocalyptic number.

142404131230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

142404131230 is a deficient number, since it is larger than the sum of its proper divisors (115079640770).

142404131230 is a wasteful number, since it uses less digits than its factorization.

142404131230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49308.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 142404131230 its reverse (32131404241), we get a palindrome (174535535471).

The spelling of 142404131230 in words is "one hundred forty-two billion, four hundred four million, one hundred thirty-one thousand, two hundred thirty".