142018704 has 80 divisors (see below), whose sum is σ = 409071040. Its totient is φ = 47174400.

The previous prime is 142018699. The next prime is 142018729. The reversal of 142018704 is 407810241.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 236004 + ... + 236604.

It is an arithmetic number, because the mean of its divisors is an integer number (5113388).

Almost surely, 2^142018704 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142018704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204535520).

142018704 is an abundant number, since it is smaller than the sum of its proper divisors (267052336).

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

142018704 is a wasteful number, since it uses less digits than its factorization.

142018704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1165 (or 1153 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 142018704 is about 11917.1600643778. The cubic root of 142018704 is about 521.7332498902.

Adding to 142018704 its reverse (407810241), we get a palindrome (549828945).

The spelling of 142018704 in words is "one hundred forty-two million, eighteen thousand, seven hundred four".