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144927135 = 3253220603
BaseRepresentation
bin10001010001101…
…10100110011111
3101002201001122200
420220312212133
5244100132020
622214142543
73406601043
oct1050664637
9332631580
10144927135
11748979a1
1240651a53
1324043c02
1415368023
15cacb590
hex8a3699f

144927135 has 12 divisors (see below), whose sum is σ = 251207112. Its totient is φ = 77294448.

The previous prime is 144927073. The next prime is 144927137. The reversal of 144927135 is 531729441.

It is not a de Polignac number, because 144927135 - 28 = 144926879 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 144927135.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144927137) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1610257 + ... + 1610346.

It is an arithmetic number, because the mean of its divisors is an integer number (20933926).

Almost surely, 2144927135 is an apocalyptic number.

144927135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

144927135 is a deficient number, since it is larger than the sum of its proper divisors (106279977).

144927135 is a wasteful number, since it uses less digits than its factorization.

144927135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3220614 (or 3220611 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 144927135 is about 12038.5686441537. The cubic root of 144927135 is about 525.2707718884.

The spelling of 144927135 in words is "one hundred forty-four million, nine hundred twenty-seven thousand, one hundred thirty-five".

Divisors: 1 3 5 9 15 45 3220603 9661809 16103015 28985427 48309045 144927135