142031660 has 24 divisors (see below), whose sum is σ = 298490640. Its totient is φ = 56769984.

The previous prime is 142031653. The next prime is 142031689. The reversal of 142031660 is 66130241.

It is a happy 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, 49382 + ... + 52178.

It is an arithmetic number, because the mean of its divisors is an integer number (12437110).

Almost surely, 2^142031660 is an apocalyptic number.

142031660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142031660 is an abundant number, since it is smaller than the sum of its proper divisors (156458980).

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

142031660 is a wasteful number, since it uses less digits than its factorization.

142031660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5345 (or 5343 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 142031660 is about 11917.7036378658. The cubic root of 142031660 is about 521.7491148673.

The spelling of 142031660 in words is "one hundred forty-two million, thirty-one thousand, six hundred sixty".