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144228103 = 151955153
BaseRepresentation
bin10001001100010…
…11111100000111
3101001101112202121
420212023330013
5243410244403
622151150411
73400630045
oct1046137407
9331345677
10144228103
117445a788
1240375407
1323b5a996
1415225395
15c9de3bd
hex898bf07

144228103 has 4 divisors (see below), whose sum is σ = 145183408. Its totient is φ = 143272800.

The previous prime is 144228079. The next prime is 144228113. The reversal of 144228103 is 301822441.

144228103 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 an emirpimes, since its reverse is a distinct semiprime: 301822441 = 1012988341.

It is a cyclic number.

It is not a de Polignac number, because 144228103 - 225 = 110673671 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 (144228113) 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, 477426 + ... + 477727.

It is an arithmetic number, because the mean of its divisors is an integer number (36295852).

Almost surely, 2144228103 is an apocalyptic number.

144228103 is a deficient number, since it is larger than the sum of its proper divisors (955305).

144228103 is an equidigital number, since it uses as much as digits as its factorization.

144228103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 955304.

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 144228103 is about 12009.5005308297. The cubic root of 144228103 is about 524.4248916215.

The spelling of 144228103 in words is "one hundred forty-four million, two hundred twenty-eight thousand, one hundred three".

Divisors: 1 151 955153 144228103