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144066530 = 2537389369
BaseRepresentation
bin10001001011001…
…00011111100010
3101001002100010102
420211210133202
5243340112110
622143502402
73366355016
oct1045443742
9331070112
10144066530
117435a353
12402b7a02
1323b0228a
14151c2546
15c9ab5a5
hex89647e2

144066530 has 16 divisors (see below), whose sum is σ = 266329080. Its totient is φ = 56068992.

The previous prime is 144066523. The next prime is 144066547. The reversal of 144066530 is 35660441.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 140873161 + 3193369 = 11869^2 + 1787^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 144066493 and 144066502.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194315 + ... + 195054.

Almost surely, 2144066530 is an apocalyptic number.

144066530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144066530 is a deficient number, since it is larger than the sum of its proper divisors (122262550).

144066530 is a wasteful number, since it uses less digits than its factorization.

144066530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389413.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 144066530 is about 12002.7717632220. The cubic root of 144066530 is about 524.2289876751.

The spelling of 144066530 in words is "one hundred forty-four million, sixty-six thousand, five hundred thirty".

Divisors: 1 2 5 10 37 74 185 370 389369 778738 1946845 3893690 14406653 28813306 72033265 144066530