142386072 has 64 divisors (see below), whose sum is σ = 366284160. Its totient is φ = 46099200.

The previous prime is 142386061. The next prime is 142386109. The reversal of 142386072 is 270683241.

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 15 ways as a sum of consecutive naturals, for example, 289747 + ... + 290237.

It is an arithmetic number, because the mean of its divisors is an integer number (5723190).

Almost surely, 2^142386072 is an apocalyptic number.

142386072 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 142386072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183142080).

142386072 is an abundant number, since it is smaller than the sum of its proper divisors (223898088).

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

142386072 is a wasteful number, since it uses less digits than its factorization.

142386072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 824 (or 820 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 142386072 is about 11932.5635133445. The cubic root of 142386072 is about 522.1827284118.

The spelling of 142386072 in words is "one hundred forty-two million, three hundred eighty-six thousand, seventy-two".