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144222316 = 2279753101
BaseRepresentation
bin10001001100010…
…10100001101100
3101001101020211021
420212022201230
5243410103231
622151103524
73400604140
oct1046124154
9331336737
10144222316
11744563a7
1240371ba4
1323b58164
1415223220
15c9dc811
hex898a86c

144222316 has 24 divisors (see below), whose sum is σ = 291423776. Its totient is φ = 61171200.

The previous prime is 144222313. The next prime is 144222317. The reversal of 144222316 is 613222441.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (144222311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23835 + ... + 29266.

Almost surely, 2144222316 is an apocalyptic number.

It is an amenable number.

144222316 is an abundant number, since it is smaller than the sum of its proper divisors (147201460).

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

144222316 is a wasteful number, since it uses less digits than its factorization.

144222316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53209 (or 53207 counting only the distinct ones).

The product of its digits is 2304, while the sum is 25.

The square root of 144222316 is about 12009.2595941632. The cubic root of 144222316 is about 524.4178775298.

Adding to 144222316 its reverse (613222441), we get a palindrome (757444757).

The spelling of 144222316 in words is "one hundred forty-four million, two hundred twenty-two thousand, three hundred sixteen".

Divisors: 1 2 4 7 14 28 97 194 388 679 1358 2716 53101 106202 212404 371707 743414 1486828 5150797 10301594 20603188 36055579 72111158 144222316