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144079753 = 821175493
BaseRepresentation
bin10001001011001…
…11101110001001
3101001010000021011
420211213232021
5243341023003
622144043521
73366441406
oct1045475611
9331100234
10144079753
1174369284
12403035a1
1323b082bc
14151c72ad
15c9b046d
hex8967b89

144079753 has 4 divisors (see below), whose sum is σ = 144256068. Its totient is φ = 143903440.

The previous prime is 144079729. The next prime is 144079807. The reversal of 144079753 is 357970441.

144079753 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 40284409 + 103795344 = 6347^2 + 10188^2 .

It is a cyclic number.

It is not a de Polignac number, because 144079753 - 213 = 144071561 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144079703) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86926 + ... + 88567.

It is an arithmetic number, because the mean of its divisors is an integer number (36064017).

Almost surely, 2144079753 is an apocalyptic number.

It is an amenable number.

144079753 is a deficient number, since it is larger than the sum of its proper divisors (176315).

144079753 is an equidigital number, since it uses as much as digits as its factorization.

144079753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176314.

The product of its (nonzero) digits is 105840, while the sum is 40.

The square root of 144079753 is about 12003.3225816855. The cubic root of 144079753 is about 524.2450257926.

The spelling of 144079753 in words is "one hundred forty-four million, seventy-nine thousand, seven hundred fifty-three".

Divisors: 1 821 175493 144079753