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144663341 = 532729497
BaseRepresentation
bin10001001111101…
…10001100101101
3101002012122210112
420213312030231
5244013211331
622204345405
73404422004
oct1047661455
9332178715
10144663341
1174727789
1240545265
1323c80b14
14152d9c3b
15ca7832b
hex89f632d

144663341 has 4 divisors (see below), whose sum is σ = 147392892. Its totient is φ = 141933792.

The previous prime is 144663289. The next prime is 144663347. The reversal of 144663341 is 143366441.

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 76930441 + 67732900 = 8771^2 + 8230^2 .

It is a cyclic number.

It is not a de Polignac number, because 144663341 - 222 = 140469037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144663298 and 144663307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144663347) 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, 1364696 + ... + 1364801.

It is an arithmetic number, because the mean of its divisors is an integer number (36848223).

Almost surely, 2144663341 is an apocalyptic number.

It is an amenable number.

144663341 is a deficient number, since it is larger than the sum of its proper divisors (2729551).

144663341 is an equidigital number, since it uses as much as digits as its factorization.

144663341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2729550.

The product of its digits is 20736, while the sum is 32.

The square root of 144663341 is about 12027.6074511933. The cubic root of 144663341 is about 524.9518819089.

The spelling of 144663341 in words is "one hundred forty-four million, six hundred sixty-three thousand, three hundred forty-one".

Divisors: 1 53 2729497 144663341