142740108 has 36 divisors (see below), whose sum is σ = 412361040. Its totient is φ = 40782816.

The previous prime is 142740107. The next prime is 142740127. The reversal of 142740108 is 801047241.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (142740107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 282963 + ... + 283466.

Almost surely, 2^142740108 is an apocalyptic number.

142740108 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

142740108 is an abundant number, since it is smaller than the sum of its proper divisors (269620932).

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

142740108 is a wasteful number, since it uses less digits than its factorization.

142740108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566446 (or 566441 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 142740108 is about 11947.3891708607. The cubic root of 142740108 is about 522.6151641328.

Adding to 142740108 its reverse (801047241), we get a palindrome (943787349).

The spelling of 142740108 in words is "one hundred forty-two million, seven hundred forty thousand, one hundred eight".