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144112842 = 23217470957
BaseRepresentation
bin10001001011011…
…11110011001010
3101001011200122200
420211233303022
5243343102332
622144501030
73366640026
oct1045576312
9331150580
10144112842
1174391125
124031a776
1323b1a393
14151d5386
15c9ba17c
hex896fcca

144112842 has 24 divisors (see below), whose sum is σ = 330612516. Its totient is φ = 45211776.

The previous prime is 144112819. The next prime is 144112847. The reversal of 144112842 is 248211441.

It can be written as a sum of positive squares in 2 ways, for example, as 109432521 + 34680321 = 10461^2 + 5889^2 .

It is a super-2 number, since 2×1441128422 = 41537022458633928, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (144112847) 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, 235173 + ... + 235784.

Almost surely, 2144112842 is an apocalyptic number.

144112842 is an abundant number, since it is smaller than the sum of its proper divisors (186499674).

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

144112842 is a wasteful number, since it uses less digits than its factorization.

144112842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470982 (or 470979 counting only the distinct ones).

The product of its digits is 2048, while the sum is 27.

The square root of 144112842 is about 12004.7008292585. The cubic root of 144112842 is about 524.2851549931.

The spelling of 144112842 in words is "one hundred forty-four million, one hundred twelve thousand, eight hundred forty-two".

Divisors: 1 2 3 6 9 17 18 34 51 102 153 306 470957 941914 1412871 2825742 4238613 8006269 8477226 16012538 24018807 48037614 72056421 144112842