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144535242 = 231910112553
BaseRepresentation
bin10001001110101…
…10111011001010
3101001222011002010
420213112323022
5244000111432
622201520350
73403346355
oct1047267312
9331864063
10144535242
117464a515
12404a30b6
1323c37717
14152a529c
15ca503cc
hex89d6eca

144535242 has 32 divisors (see below), whose sum is σ = 307321920. Its totient is φ = 45187200.

The previous prime is 144535229. The next prime is 144535247. The reversal of 144535242 is 242535441.

It is not an unprimeable number, because it can be changed into a prime (144535247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5238 + ... + 17790.

It is an arithmetic number, because the mean of its divisors is an integer number (9603810).

Almost surely, 2144535242 is an apocalyptic number.

144535242 is an abundant number, since it is smaller than the sum of its proper divisors (162786678).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144535242 is a wasteful number, since it uses less digits than its factorization.

144535242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12678.

The product of its digits is 19200, while the sum is 30.

The square root of 144535242 is about 12022.2810647564. The cubic root of 144535242 is about 524.7968883238.

The spelling of 144535242 in words is "one hundred forty-four million, five hundred thirty-five thousand, two hundred forty-two".

Divisors: 1 2 3 6 19 38 57 101 114 202 303 606 1919 3838 5757 11514 12553 25106 37659 75318 238507 477014 715521 1267853 1431042 2535706 3803559 7607118 24089207 48178414 72267621 144535242