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144300140 = 2257215007
BaseRepresentation
bin10001001100111…
…01100001101100
3101001112012120122
420212131201230
5243420101030
622152504112
73401350055
oct1046354154
9331465518
10144300140
11744a9916
12403ab038
1323b846ca
141524372c
15ca058e5
hex899d86c

144300140 has 12 divisors (see below), whose sum is σ = 303030336. Its totient is φ = 57720048.

The previous prime is 144300139. The next prime is 144300161. The reversal of 144300140 is 41003441.

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 3 ways as a sum of consecutive naturals, for example, 3607484 + ... + 3607523.

It is an arithmetic number, because the mean of its divisors is an integer number (25252528).

Almost surely, 2144300140 is an apocalyptic number.

144300140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144300140 is an abundant number, since it is smaller than the sum of its proper divisors (158730196).

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

144300140 is a wasteful number, since it uses less digits than its factorization.

144300140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7215016 (or 7215014 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 144300140 is about 12012.4993236212. The cubic root of 144300140 is about 524.5121878494.

Adding to 144300140 its reverse (41003441), we get a palindrome (185303581).

The spelling of 144300140 in words is "one hundred forty-four million, three hundred thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 7215007 14430014 28860028 36075035 72150070 144300140