142401660 has 48 divisors (see below), whose sum is σ = 400982400. Its totient is φ = 37758784.

The previous prime is 142401601. The next prime is 142401661. The reversal of 142401660 is 66104241.

142401660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 142401660.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142401661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4111 + ... + 17369.

It is an arithmetic number, because the mean of its divisors is an integer number (8353800).

Almost surely, 2^142401660 is an apocalyptic number.

142401660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142401660 is an abundant number, since it is smaller than the sum of its proper divisors (258580740).

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

142401660 is a wasteful number, since it uses less digits than its factorization.

142401660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13450 (or 13448 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 142401660 is about 11933.2166660964. The cubic root of 142401660 is about 522.2017833826.

The spelling of 142401660 in words is "one hundred forty-two million, four hundred one thousand, six hundred sixty".