142230434240 has 28 divisors (see below), whose sum is σ = 338686222296. Its totient is φ = 56892173568.

The previous prime is 142230434237. The next prime is 142230434279. The reversal of 142230434240 is 42434032241.

It is a congruent 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, 222234734 + ... + 222235373.

Almost surely, 2^142230434240 is an apocalyptic number.

142230434240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142230434240 is an abundant number, since it is smaller than the sum of its proper divisors (196455788056).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142230434240 is an equidigital number, since it uses as much as digits as its factorization.

142230434240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444470124 (or 444470114 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 142230434240 its reverse (42434032241), we get a palindrome (184664466481).

The spelling of 142230434240 in words is "one hundred forty-two billion, two hundred thirty million, four hundred thirty-four thousand, two hundred forty".