142245432 has 144 divisors (see below), whose sum is σ = 467897040. Its totient is φ = 38852352.

The previous prime is 142245431. The next prime is 142245451. The reversal of 142245432 is 234542241.

142245432 is a `hidden beast` number, since 1 + 4 + 224 + 5 + 432 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 142245396 and 142245405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142245431) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 80268 + ... + 82020.

It is an arithmetic number, because the mean of its divisors is an integer number (3249285).

Almost surely, 2^142245432 is an apocalyptic number.

142245432 is a gapful number since it is divisible by the number (12) 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 142245432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (233948520).

142245432 is an abundant number, since it is smaller than the sum of its proper divisors (325651608).

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

142245432 is a wasteful number, since it uses less digits than its factorization.

142245432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1802 (or 1788 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 142245432 is about 11926.6689398172. The cubic root of 142245432 is about 522.0107453639.

Adding to 142245432 its reverse (234542241), we get a palindrome (376787673).

The spelling of 142245432 in words is "one hundred forty-two million, two hundred forty-five thousand, four hundred thirty-two".