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144323425 = 527517687
BaseRepresentation
bin10001001101000…
…11001101100001
3101001120101112001
420212203031201
5243421322200
622153204001
73401505001
oct1046431541
9331511461
10144323425
1174515364
1240400601
1323b9219c
141524c001
15ca0c76a
hex89a3361

144323425 has 12 divisors (see below), whose sum is σ = 179222656. Its totient is φ = 115290000.

The previous prime is 144323423. The next prime is 144323429. The reversal of 144323425 is 524323441.

It is a happy number.

It is not a de Polignac number, because 144323425 - 21 = 144323423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144323393 and 144323402.

It is not an unprimeable number, because it can be changed into a prime (144323423) 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, 14932 + ... + 22618.

Almost surely, 2144323425 is an apocalyptic number.

It is an amenable number.

144323425 is a deficient number, since it is larger than the sum of its proper divisors (34899231).

144323425 is an equidigital number, since it uses as much as digits as its factorization.

144323425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8448 (or 8443 counting only the distinct ones).

The product of its digits is 11520, while the sum is 28.

The square root of 144323425 is about 12013.4684833315. The cubic root of 144323425 is about 524.5403989780.

Adding to 144323425 its reverse (524323441), we get a palindrome (668646866).

The spelling of 144323425 in words is "one hundred forty-four million, three hundred twenty-three thousand, four hundred twenty-five".

Divisors: 1 5 25 751 3755 7687 18775 38435 192175 5772937 28864685 144323425