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144325557 = 3410317299
BaseRepresentation
bin10001001101000…
…11101110110101
3101001120111110000
420212203232311
5243421404212
622153221513
73401514135
oct1046435665
9331514400
10144325557
1174516a22
1240401899
1323b9314c
141524cac5
15ca0d1dc
hex89a3bb5

144325557 has 20 divisors (see below), whose sum is σ = 217703200. Its totient is φ = 95277384.

The previous prime is 144325537. The next prime is 144325591. The reversal of 144325557 is 755523441.

It is not a de Polignac number, because 144325557 - 28 = 144325301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144325537) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 307 + ... + 16992.

It is an arithmetic number, because the mean of its divisors is an integer number (10885160).

Almost surely, 2144325557 is an apocalyptic number.

It is an amenable number.

144325557 is a deficient number, since it is larger than the sum of its proper divisors (73377643).

144325557 is a wasteful number, since it uses less digits than its factorization.

144325557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17414 (or 17405 counting only the distinct ones).

The product of its digits is 84000, while the sum is 36.

The square root of 144325557 is about 12013.5572167448. The cubic root of 144325557 is about 524.5429818681.

Adding to 144325557 its reverse (755523441), we get a palindrome (899848998).

It can be divided in two parts, 1443 and 25557, that added together give a cube (27000 = 303).

The spelling of 144325557 in words is "one hundred forty-four million, three hundred twenty-five thousand, five hundred fifty-seven".

Divisors: 1 3 9 27 81 103 309 927 2781 8343 17299 51897 155691 467073 1401219 1781797 5345391 16036173 48108519 144325557