142441024 has 112 divisors (see below), whose sum is σ = 339425280. Its totient is φ = 58544640.

The previous prime is 142441021. The next prime is 142441109. The reversal of 142441024 is 420144241.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 142440986 and 142441004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142441021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 307417 + ... + 307879.

Almost surely, 2^142441024 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 142441024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (169712640).

142441024 is an abundant number, since it is smaller than the sum of its proper divisors (196984256).

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

142441024 is a wasteful number, since it uses less digits than its factorization.

142441024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528 (or 518 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 142441024 is about 11934.8658978641. The cubic root of 142441024 is about 522.2498962515.

Adding to 142441024 its reverse (420144241), we get a palindrome (562585265).

The spelling of 142441024 in words is "one hundred forty-two million, four hundred forty-one thousand, twenty-four".