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144136337 = 197586123
BaseRepresentation
bin10001001011101…
…01100010010001
3101001012212212212
420211311202101
5243344330322
622145201505
73400065362
oct1045654221
9331185785
10144136337
11743a7844
1240330295
1323b27c97
14151ddb69
15c9c20e2
hex8975891

144136337 has 4 divisors (see below), whose sum is σ = 151722480. Its totient is φ = 136550196.

The previous prime is 144136327. The next prime is 144136339. The reversal of 144136337 is 733631441.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 733631441 = 6710949723.

It is a cyclic number.

It is not a de Polignac number, because 144136337 - 226 = 77027473 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144136339) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3793043 + ... + 3793080.

It is an arithmetic number, because the mean of its divisors is an integer number (37930620).

Almost surely, 2144136337 is an apocalyptic number.

It is an amenable number.

144136337 is a deficient number, since it is larger than the sum of its proper divisors (7586143).

144136337 is an equidigital number, since it uses as much as digits as its factorization.

144136337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7586142.

The product of its digits is 18144, while the sum is 32.

The square root of 144136337 is about 12005.6793643675. The cubic root of 144136337 is about 524.3136451915.

Adding to 144136337 its reverse (733631441), we get a palindrome (877767778).

The spelling of 144136337 in words is "one hundred forty-four million, one hundred thirty-six thousand, three hundred thirty-seven".

Divisors: 1 19 7586123 144136337