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144324223 = 4114712393
BaseRepresentation
bin10001001101000…
…11011001111111
3101001120102121121
420212203121333
5243421333343
622153211411
73401510221
oct1046433177
9331512547
10144324223
1174515a1a
1240400b67
1323b92664
141524c411
15ca0caed
hex89a367f

144324223 has 8 divisors (see below), whose sum is σ = 148006656. Its totient is φ = 140649600.

The previous prime is 144324221. The next prime is 144324233. The reversal of 144324223 is 322423441.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 144324223 - 21 = 144324221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144324221) 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, 59115 + ... + 61507.

It is an arithmetic number, because the mean of its divisors is an integer number (18500832).

Almost surely, 2144324223 is an apocalyptic number.

144324223 is a deficient number, since it is larger than the sum of its proper divisors (3682433).

144324223 is a wasteful number, since it uses less digits than its factorization.

144324223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3905.

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

The square root of 144324223 is about 12013.5016960085. The cubic root of 144324223 is about 524.5413657475.

Adding to 144324223 its reverse (322423441), we get a palindrome (466747664).

The spelling of 144324223 in words is "one hundred forty-four million, three hundred twenty-four thousand, two hundred twenty-three".

Divisors: 1 41 1471 2393 60311 98113 3520103 144324223