142546660 has 12 divisors (see below), whose sum is σ = 299348028. Its totient is φ = 57018656.

The previous prime is 142546601. The next prime is 142546669. The reversal of 142546660 is 66645241.

It can be written as a sum of positive squares in 2 ways, for example, as 18714276 + 123832384 = 4326^2 + 11128^2 .

It is not an unprimeable number, because it can be changed into a prime (142546669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3563647 + ... + 3563686.

It is an arithmetic number, because the mean of its divisors is an integer number (24945669).

Almost surely, 2^142546660 is an apocalyptic number.

142546660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142546660 is an abundant number, since it is smaller than the sum of its proper divisors (156801368).

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

142546660 is a wasteful number, since it uses less digits than its factorization.

142546660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7127342 (or 7127340 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 142546660 is about 11939.2905986914. The cubic root of 142546660 is about 522.3789666468.

The spelling of 142546660 in words is "one hundred forty-two million, five hundred forty-six thousand, six hundred sixty".