142017888 has 48 divisors (see below), whose sum is σ = 373811760. Its totient is φ = 47210496.

The previous prime is 142017857. The next prime is 142017907. The reversal of 142017888 is 888710241.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37456 + ... + 41072.

It is an arithmetic number, because the mean of its divisors is an integer number (7787745).

Almost surely, 2^142017888 is an apocalyptic number.

It is an amenable number.

142017888 is an abundant number, since it is smaller than the sum of its proper divisors (231793872).

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

142017888 is a wasteful number, since it uses less digits than its factorization.

142017888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4039 (or 4031 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 39.

The square root of 142017888 is about 11917.1258279839. The cubic root of 142017888 is about 521.7322506436.

The spelling of 142017888 in words is "one hundred forty-two million, seventeen thousand, eight hundred eighty-eight".