142425432 has 128 divisors (see below), whose sum is σ = 413683200. Its totient is φ = 45360000.

The previous prime is 142425403. The next prime is 142425443. The reversal of 142425432 is 234524241.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 142425396 and 142425405.

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, 567307 + ... + 567557.

It is an arithmetic number, because the mean of its divisors is an integer number (3231900).

Almost surely, 2^142425432 is an apocalyptic number.

142425432 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 142425432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (206841600).

142425432 is an abundant number, since it is smaller than the sum of its proper divisors (271257768).

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

142425432 is a wasteful number, since it uses less digits than its factorization.

142425432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374 (or 364 counting only the distinct ones).

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

The square root of 142425432 is about 11934.2126677884. The cubic root of 142425432 is about 522.2308399027.

Adding to 142425432 its reverse (234524241), we get a palindrome (376949673).

The spelling of 142425432 in words is "one hundred forty-two million, four hundred twenty-five thousand, four hundred thirty-two".