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144045461 = 761337343
BaseRepresentation
bin10001001010111…
…11010110010101
3101001001021020002
420211133112111
5243333423321
622143221045
73366236420
oct1045372625
9331037202
10144045461
117434553a
12402a7785
1323ac5801
14151b89b7
15c9a520b
hex895f595

144045461 has 8 divisors (see below), whose sum is σ = 167322624. Its totient is φ = 121443120.

The previous prime is 144045449. The next prime is 144045469. The reversal of 144045461 is 164540441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 144045461 - 210 = 144044437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144045469) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168245 + ... + 169098.

It is an arithmetic number, because the mean of its divisors is an integer number (20915328).

Almost surely, 2144045461 is an apocalyptic number.

It is an amenable number.

144045461 is a deficient number, since it is larger than the sum of its proper divisors (23277163).

144045461 is an equidigital number, since it uses as much as digits as its factorization.

144045461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337411.

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 144045461 is about 12001.8940588559. The cubic root of 144045461 is about 524.2034311515.

The spelling of 144045461 in words is "one hundred forty-four million, forty-five thousand, four hundred sixty-one".

Divisors: 1 7 61 427 337343 2361401 20577923 144045461