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144140433 = 31710127983
BaseRepresentation
bin10001001011101…
…10100010010001
3101001020002111120
420211312202101
5243344443213
622145232453
73400113333
oct1045664221
9331202446
10144140433
11743aa928
1240332729
1323b29ac8
1415201453
15c9c3423
hex8976891

144140433 has 16 divisors (see below), whose sum is σ = 205514496. Its totient is φ = 89542400.

The previous prime is 144140407. The next prime is 144140453. The reversal of 144140433 is 334041441.

It is not a de Polignac number, because 144140433 - 28 = 144140177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144140453) 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, 8841 + ... + 19142.

It is an arithmetic number, because the mean of its divisors is an integer number (12844656).

Almost surely, 2144140433 is an apocalyptic number.

It is an amenable number.

144140433 is a deficient number, since it is larger than the sum of its proper divisors (61374063).

144140433 is a wasteful number, since it uses less digits than its factorization.

144140433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28104.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 144140433 is about 12005.8499490873. The cubic root of 144140433 is about 524.3186117123.

Adding to 144140433 its reverse (334041441), we get a palindrome (478181874).

The spelling of 144140433 in words is "one hundred forty-four million, one hundred forty thousand, four hundred thirty-three".

Divisors: 1 3 17 51 101 303 1717 5151 27983 83949 475711 1427133 2826283 8478849 48046811 144140433