142174872 has 256 divisors, whose sum is σ = 489600000. Its totient is φ = 38102400.

The previous prime is 142174847. The next prime is 142174931. The reversal of 142174872 is 278471241.

It is a Harshad number since it is a multiple of its sum of digits (36).

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

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 1407622 + ... + 1407722.

It is an arithmetic number, because the mean of its divisors is an integer number (1912500).

Almost surely, 2^142174872 is an apocalyptic number.

142174872 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 142174872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (244800000).

142174872 is an abundant number, since it is smaller than the sum of its proper divisors (347425128).

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

142174872 is a wasteful number, since it uses less digits than its factorization.

142174872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156 (or 132 counting only the distinct ones).

The product of its digits is 25088, while the sum is 36.

The square root of 142174872 is about 11923.7104963178. The cubic root of 142174872 is about 521.9244176470.

The spelling of 142174872 in words is "one hundred forty-two million, one hundred seventy-four thousand, eight hundred seventy-two".