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144023133 = 31767113373
BaseRepresentation
bin10001001010110…
…01111001011101
3101001000010121010
420211121321131
5243332220013
622142525433
73366114342
oct1045317135
9331003533
10144023133
117432a791
1240296879
1323ab85b7
14151b07c9
15c99d7c3
hex8959e5d

144023133 has 32 divisors (see below), whose sum is σ = 208745856. Its totient is φ = 87994368.

The previous prime is 144023123. The next prime is 144023137. The reversal of 144023133 is 331320441.

It is not a de Polignac number, because 144023133 - 26 = 144023069 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144023137) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 385935 + ... + 386307.

It is an arithmetic number, because the mean of its divisors is an integer number (6523308).

Almost surely, 2144023133 is an apocalyptic number.

It is an amenable number.

144023133 is a deficient number, since it is larger than the sum of its proper divisors (64722723).

144023133 is a wasteful number, since it uses less digits than its factorization.

144023133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 144023133 is about 12000.9638362925. The cubic root of 144023133 is about 524.1763447513.

Adding to 144023133 its reverse (331320441), we get a palindrome (475343574).

The spelling of 144023133 in words is "one hundred forty-four million, twenty-three thousand, one hundred thirty-three".

Divisors: 1 3 17 51 67 113 201 339 373 1119 1139 1921 3417 5763 6341 7571 19023 22713 24991 42149 74973 126447 128707 386121 424847 716533 1274541 2149599 2823983 8471949 48007711 144023133