142068280 has 32 divisors (see below), whose sum is σ = 327453840. Its totient is φ = 55440640.

The previous prime is 142068247. The next prime is 142068299. The reversal of 142068280 is 82860241.

142068280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41674 + ... + 44953.

Almost surely, 2^142068280 is an apocalyptic number.

142068280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142068280 is an abundant number, since it is smaller than the sum of its proper divisors (185385560).

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

142068280 is a wasteful number, since it uses less digits than its factorization.

142068280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86679 (or 86675 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 142068280 is about 11919.2399086519. The cubic root of 142068280 is about 521.7939518441.

The spelling of 142068280 in words is "one hundred forty-two million, sixty-eight thousand, two hundred eighty".