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144203025 = 3524214567
BaseRepresentation
bin10001001100001…
…01110100010001
3101001100021100210
420212011310101
5243403444100
622150434333
73400463661
oct1046056421
9331307323
10144203025
117444295a
12403629a9
1323b4c445
141521a1a1
15c9d6c50
hex8985d11

144203025 has 24 divisors (see below), whose sum is σ = 239034304. Its totient is φ = 76708800.

The previous prime is 144202991. The next prime is 144203071. The reversal of 144203025 is 520302441.

It is not a de Polignac number, because 144203025 - 27 = 144202897 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144202992 and 144203010.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29292 + ... + 33858.

Almost surely, 2144203025 is an apocalyptic number.

144203025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

144203025 is a deficient number, since it is larger than the sum of its proper divisors (94831279).

144203025 is a wasteful number, since it uses less digits than its factorization.

144203025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5001 (or 4996 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 144203025 is about 12008.4563953907. The cubic root of 144203025 is about 524.3944946566.

Adding to 144203025 its reverse (520302441), we get a palindrome (664505466).

The spelling of 144203025 in words is "one hundred forty-four million, two hundred three thousand, twenty-five".

Divisors: 1 3 5 15 25 75 421 1263 2105 4567 6315 10525 13701 22835 31575 68505 114175 342525 1922707 5768121 9613535 28840605 48067675 144203025