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144251318 = 2239307983
BaseRepresentation
bin10001001100100…
…01100110110110
3101001102201121102
420212101212312
5243412020233
622151450102
73401054531
oct1046214666
9331381542
10144251318
1174476172
1240386932
1323b68413
141522da18
15c9e61e8
hex89919b6

144251318 has 16 divisors (see below), whose sum is σ = 218211840. Its totient is φ = 71517096.

The previous prime is 144251311. The next prime is 144251321. The reversal of 144251318 is 813152441.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144251311) 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 7 ways as a sum of consecutive naturals, for example, 146255 + ... + 147237.

It is an arithmetic number, because the mean of its divisors is an integer number (13638240).

Almost surely, 2144251318 is an apocalyptic number.

144251318 is a deficient number, since it is larger than the sum of its proper divisors (73960522).

144251318 is a wasteful number, since it uses less digits than its factorization.

144251318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1531.

The product of its digits is 3840, while the sum is 29.

The square root of 144251318 is about 12010.4670183969. The cubic root of 144251318 is about 524.4530273095.

The spelling of 144251318 in words is "one hundred forty-four million, two hundred fifty-one thousand, three hundred eighteen".

Divisors: 1 2 239 307 478 614 983 1966 73373 146746 234937 301781 469874 603562 72125659 144251318