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144332433 = 3272290991
BaseRepresentation
bin10001001101001…
…01011010010001
3101001120211212200
420212211122101
5243422114213
622153313413
73401543160
oct1046453221
9331524780
10144332433
1174521103
1240405869
1323b9630b
14152513d7
15ca10273
hex89a5691

144332433 has 12 divisors (see below), whose sum is σ = 238263168. Its totient is φ = 82475640.

The previous prime is 144332413. The next prime is 144332443. The reversal of 144332433 is 334233441.

It is not a de Polignac number, because 144332433 - 210 = 144331409 is a prime.

It is a super-4 number, since 4×1443324334 (a number of 34 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 144332397 and 144332406.

It is not an unprimeable number, because it can be changed into a prime (144332413) 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, 1145433 + ... + 1145558.

It is an arithmetic number, because the mean of its divisors is an integer number (19855264).

Almost surely, 2144332433 is an apocalyptic number.

It is an amenable number.

144332433 is a deficient number, since it is larger than the sum of its proper divisors (93930735).

144332433 is a wasteful number, since it uses less digits than its factorization.

144332433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2291004 (or 2291001 counting only the distinct ones).

The product of its digits is 10368, while the sum is 27.

The square root of 144332433 is about 12013.8433900230. The cubic root of 144332433 is about 524.5513118787.

Adding to 144332433 its reverse (334233441), we get a palindrome (478565874).

The spelling of 144332433 in words is "one hundred forty-four million, three hundred thirty-two thousand, four hundred thirty-three".

Divisors: 1 3 7 9 21 63 2290991 6872973 16036937 20618919 48110811 144332433