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144141243 = 348047081
BaseRepresentation
bin10001001011101…
…10101110111011
3101001020010121120
420211312232323
5243400004433
622145240323
73400115601
oct1045665673
9331203546
10144141243
11744004a4
12403330a3
1323b2a29c
1415201871
15c9c37b3
hex8976bbb

144141243 has 4 divisors (see below), whose sum is σ = 192188328. Its totient is φ = 96094160.

The previous prime is 144141209. The next prime is 144141247. The reversal of 144141243 is 342141441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 342141441 = 3114047147.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-144141243 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144141247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24023538 + ... + 24023543.

It is an arithmetic number, because the mean of its divisors is an integer number (48047082).

Almost surely, 2144141243 is an apocalyptic number.

144141243 is a deficient number, since it is larger than the sum of its proper divisors (48047085).

144141243 is an equidigital number, since it uses as much as digits as its factorization.

144141243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48047084.

The product of its digits is 1536, while the sum is 24.

The square root of 144141243 is about 12005.8836825950. The cubic root of 144141243 is about 524.3195938501.

Adding to 144141243 its reverse (342141441), we get a palindrome (486282684).

The spelling of 144141243 in words is "one hundred forty-four million, one hundred forty-one thousand, two hundred forty-three".

Divisors: 1 3 48047081 144141243