142836432 has 20 divisors (see below), whose sum is σ = 368994240. Its totient is φ = 47612128.

The previous prime is 142836413. The next prime is 142836457. The reversal of 142836432 is 234638241.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 142836393 and 142836402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1487832 + ... + 1487927.

It is an arithmetic number, because the mean of its divisors is an integer number (18449712).

Almost surely, 2^142836432 is an apocalyptic number.

142836432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

142836432 is an abundant number, since it is smaller than the sum of its proper divisors (226157808).

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

142836432 is a wasteful number, since it uses less digits than its factorization.

142836432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2975770 (or 2975764 counting only the distinct ones).

The product of its digits is 27648, while the sum is 33.

The square root of 142836432 is about 11951.4196646256. The cubic root of 142836432 is about 522.7326949012.

The spelling of 142836432 in words is "one hundred forty-two million, eight hundred thirty-six thousand, four hundred thirty-two".