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144323422 = 21392272287
BaseRepresentation
bin10001001101000…
…11001101011110
3101001120101111221
420212203031132
5243421322142
622153203554
73401504665
oct1046431536
9331511457
10144323422
1174515361
12404005ba
1323b92199
141524bddc
15ca0c767
hex89a335e

144323422 has 16 divisors (see below), whose sum is σ = 219098880. Its totient is φ = 71295768.

The previous prime is 144323407. The next prime is 144323423. The reversal of 144323422 is 224323441.

It is a happy number.

144323422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144323423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61963 + ... + 64249.

It is an arithmetic number, because the mean of its divisors is an integer number (13693680).

Almost surely, 2144323422 is an apocalyptic number.

144323422 is a deficient number, since it is larger than the sum of its proper divisors (74775458).

144323422 is a wasteful number, since it uses less digits than its factorization.

144323422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2655.

The product of its digits is 4608, while the sum is 25.

The square root of 144323422 is about 12013.4683584717. The cubic root of 144323422 is about 524.5403953435.

Adding to 144323422 its reverse (224323441), we get a palindrome (368646863).

The spelling of 144323422 in words is "one hundred forty-four million, three hundred twenty-three thousand, four hundred twenty-two".

Divisors: 1 2 139 227 278 454 2287 4574 31553 63106 317893 519149 635786 1038298 72161711 144323422