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144346745 = 51759107269
BaseRepresentation
bin10001001101010…
…00111001111001
3101001121120111202
420212220321321
5243423043440
622153503545
73401632664
oct1046507171
9331546452
10144346745
1174530934
1240411bb5
1323b9c99a
14152566db
15ca14615
hex89a8e79

144346745 has 32 divisors (see below), whose sum is σ = 188956800. Its totient is φ = 105450496.

The previous prime is 144346739. The next prime is 144346747. The reversal of 144346745 is 547643441.

144346745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 144346745 - 26 = 144346681 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 144346699 and 144346708.

It is not an unprimeable number, because it can be changed into a prime (144346747) 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, 536471 + ... + 536739.

It is an arithmetic number, because the mean of its divisors is an integer number (5904900).

Almost surely, 2144346745 is an apocalyptic number.

It is an amenable number.

144346745 is a deficient number, since it is larger than the sum of its proper divisors (44610055).

144346745 is a wasteful number, since it uses less digits than its factorization.

144346745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457.

The product of its digits is 161280, while the sum is 38.

The square root of 144346745 is about 12014.4390214442. The cubic root of 144346745 is about 524.5686494701.

The spelling of 144346745 in words is "one hundred forty-four million, three hundred forty-six thousand, seven hundred forty-five".

Divisors: 1 5 17 59 85 107 269 295 535 1003 1345 1819 4573 5015 6313 9095 15871 22865 28783 31565 79355 107321 143915 269807 489311 536605 1349035 1698197 2446555 8490985 28869349 144346745