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144343441 = 1125920219
BaseRepresentation
bin10001001101010…
…00000110010001
3101001121101222101
420212220012101
5243422442231
622153440401
73401620234
oct1046500621
9331541871
10144343441
1174529400
1240410101
1323b9b328
141525541b
15ca13661
hex89a8191

144343441 has 12 divisors (see below), whose sum is σ = 161355600. Its totient is φ = 128990840.

The previous prime is 144343429. The next prime is 144343453.

It is a happy number.

144343441 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (144343429) and next prime (144343453).

It is not a de Polignac number, because 144343441 - 27 = 144343313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144343421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2971 + ... + 17248.

It is an arithmetic number, because the mean of its divisors is an integer number (13446300).

Almost surely, 2144343441 is an apocalyptic number.

144343441 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

144343441 is a deficient number, since it is larger than the sum of its proper divisors (17012159).

144343441 is a wasteful number, since it uses less digits than its factorization.

144343441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20300 (or 20289 counting only the distinct ones).

The product of its digits is 9216, while the sum is 28.

The square root of 144343441 is about 12014.3015194392. The cubic root of 144343441 is about 524.5646470983.

The spelling of 144343441 in words is "one hundred forty-four million, three hundred forty-three thousand, four hundred forty-one".

Divisors: 1 11 59 121 649 7139 20219 222409 1192921 2446499 13122131 144343441