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142282140 = 22357111323103
BaseRepresentation
bin10000111101100…
…00110110011100
3100220201200101220
420132300312130
5242411012030
622041333340
73345243510
oct1036606634
9326650356
10142282140
1173350750
123b797250
1323629020
1414c7a140
15c757a10
hex87b0d9c

142282140 has 384 divisors, whose sum is σ = 563576832. Its totient is φ = 25850880.

The previous prime is 142282123. The next prime is 142282159. The reversal of 142282140 is 41282241.

142282140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 142282140.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1381329 + ... + 1381431.

It is an arithmetic number, because the mean of its divisors is an integer number (1467648).

Almost surely, 2142282140 is an apocalyptic number.

142282140 is a gapful number since it is divisible by the number (10) 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 142282140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (281788416).

142282140 is an abundant number, since it is smaller than the sum of its proper divisors (421294692).

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

142282140 is a wasteful number, since it uses less digits than its factorization.

142282140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169 (or 167 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

The square root of 142282140 is about 11928.2077446698. The cubic root of 142282140 is about 522.0556450420.

It can be divided in two parts, 142 and 282140, that added together give a palindrome (282282).

The spelling of 142282140 in words is "one hundred forty-two million, two hundred eighty-two thousand, one hundred forty".