142183272 has 128 divisors (see below), whose sum is σ = 452874240. Its totient is φ = 36122880.

The previous prime is 142183247. The next prime is 142183277. The reversal of 142183272 is 272381241.

142183272 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (142183277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 86038 + ... + 87674.

It is an arithmetic number, because the mean of its divisors is an integer number (3538080).

Almost surely, 2^142183272 is an apocalyptic number.

142183272 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 142183272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (226437120).

142183272 is an abundant number, since it is smaller than the sum of its proper divisors (310690968).

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

142183272 is a wasteful number, since it uses less digits than its factorization.

142183272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1711 (or 1707 counting only the distinct ones).

The product of its digits is 5376, while the sum is 30.

The square root of 142183272 is about 11924.0627304623. The cubic root of 142183272 is about 521.9346962537.

The spelling of 142183272 in words is "one hundred forty-two million, one hundred eighty-three thousand, two hundred seventy-two".