142045424 has 40 divisors (see below), whose sum is σ = 290472480. Its totient is φ = 67155968.

The previous prime is 142045403. The next prime is 142045429. The reversal of 142045424 is 424540241.

142045424 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 142045393 and 142045402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142045429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30584 + ... + 34920.

It is an arithmetic number, because the mean of its divisors is an integer number (7261812).

Almost surely, 2^142045424 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 142045424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145236240).

142045424 is an abundant number, since it is smaller than the sum of its proper divisors (148427056).

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

142045424 is a wasteful number, since it uses less digits than its factorization.

142045424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4457 (or 4451 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 26.

The square root of 142045424 is about 11918.2810841161. The cubic root of 142045424 is about 521.7659682056.

Adding to 142045424 its reverse (424540241), we get a palindrome (566585665).

The spelling of 142045424 in words is "one hundred forty-two million, forty-five thousand, four hundred twenty-four".