142441404 has 96 divisors (see below), whose sum is σ = 412876800. Its totient is φ = 37298880.

The previous prime is 142441391. The next prime is 142441427. The reversal of 142441404 is 404144241.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48037 + ... + 50915.

It is an arithmetic number, because the mean of its divisors is an integer number (4300800).

Almost surely, 2^142441404 is an apocalyptic number.

142441404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 142441404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (206438400).

142441404 is an abundant number, since it is smaller than the sum of its proper divisors (270435396).

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

142441404 is a wasteful number, since it uses less digits than its factorization.

142441404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2943 (or 2941 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

The square root of 142441404 is about 11934.8818175967. The cubic root of 142441404 is about 522.2503606655.

Adding to 142441404 its reverse (404144241), we get a palindrome (546585645).

It can be divided in two parts, 142441 and 404, that added together give a triangular number (142845 = T₅₃₄).

The spelling of 142441404 in words is "one hundred forty-two million, four hundred forty-one thousand, four hundred four".