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144312425 = 525772497
BaseRepresentation
bin10001001101000…
…00100001101001
3101001112211102122
420212200201221
5243420444200
622153041025
73401430635
oct1046404151
9331484378
10144312425
1174508074
12403b6175
1323b8a18a
1415247dc5
15ca09385
hex89a0869

144312425 has 6 divisors (see below), whose sum is σ = 178947438. Its totient is φ = 115449920.

The previous prime is 144312379. The next prime is 144312431. The reversal of 144312425 is 524213441.

It can be written as a sum of positive squares in 3 ways, for example, as 256 + 144312169 = 16^2 + 12013^2 .

It is a de Polignac number, because none of the positive numbers 2k-144312425 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144312394 and 144312403.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2886224 + ... + 2886273.

It is an arithmetic number, because the mean of its divisors is an integer number (29824573).

Almost surely, 2144312425 is an apocalyptic number.

It is an amenable number.

144312425 is a deficient number, since it is larger than the sum of its proper divisors (34635013).

144312425 is an equidigital number, since it uses as much as digits as its factorization.

144312425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5772507 (or 5772502 counting only the distinct ones).

The product of its digits is 3840, while the sum is 26.

The square root of 144312425 is about 12013.0106551189. The cubic root of 144312425 is about 524.5270722179.

Adding to 144312425 its reverse (524213441), we get a palindrome (668525866).

The spelling of 144312425 in words is "one hundred forty-four million, three hundred twelve thousand, four hundred twenty-five".

Divisors: 1 5 25 5772497 28862485 144312425