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144027237 = 348009079
BaseRepresentation
bin10001001010110…
…10111001100101
3101001000100020010
420211122321211
5243332332422
622143000433
73366132324
oct1045327145
9331010203
10144027237
1174332882
1240299119
1323aba423
14151b20bb
15c99eb0c
hex895ae65

144027237 has 4 divisors (see below), whose sum is σ = 192036320. Its totient is φ = 96018156.

The previous prime is 144027217. The next prime is 144027241. The reversal of 144027237 is 732720441.

144027237 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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.

It is not a de Polignac number, because 144027237 - 27 = 144027109 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 (144027217) 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, 24004537 + ... + 24004542.

It is an arithmetic number, because the mean of its divisors is an integer number (48009080).

Almost surely, 2144027237 is an apocalyptic number.

It is an amenable number.

144027237 is a deficient number, since it is larger than the sum of its proper divisors (48009083).

144027237 is an equidigital number, since it uses as much as digits as its factorization.

144027237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48009082.

The product of its (nonzero) digits is 9408, while the sum is 30.

The square root of 144027237 is about 12001.1348213409. The cubic root of 144027237 is about 524.1813235794.

Adding to 144027237 its reverse (732720441), we get a palindrome (876747678).

The spelling of 144027237 in words is "one hundred forty-four million, twenty-seven thousand, two hundred thirty-seven".

Divisors: 1 3 48009079 144027237