142235604 has 72 divisors (see below), whose sum is σ = 425093760. Its totient is φ = 39235392.

The previous prime is 142235581. The next prime is 142235627. The reversal of 142235604 is 406532241.

142235604 is a `hidden beast` number, since 1 + 4 + 22 + 35 + 604 = 666.

It is an interprime number because it is at equal distance from previous prime (142235581) and next prime (142235627).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2424 + ... + 17039.

It is an arithmetic number, because the mean of its divisors is an integer number (5904080).

Almost surely, 2^142235604 is an apocalyptic number.

142235604 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 142235604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212546880).

142235604 is an abundant number, since it is smaller than the sum of its proper divisors (282858156).

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

142235604 is a wasteful number, since it uses less digits than its factorization.

142235604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19509 (or 19504 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 142235604 is about 11926.2569148916. The cubic root of 142235604 is about 521.9987228577.

Adding to 142235604 its reverse (406532241), we get a palindrome (548767845).

The spelling of 142235604 in words is "one hundred forty-two million, two hundred thirty-five thousand, six hundred four".