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144064711 = 720580673
BaseRepresentation
bin10001001011001…
…00000011000111
3101001002020122001
420211210003013
5243340032321
622143450131
73366346510
oct1045440307
9331066561
10144064711
1174358a4a
12402b6947
1323b014bb
14151c1a07
15c9aac91
hex89640c7

144064711 has 4 divisors (see below), whose sum is σ = 164645392. Its totient is φ = 123484032.

The previous prime is 144064703. The next prime is 144064727. The reversal of 144064711 is 117460441.

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

It is not a de Polignac number, because 144064711 - 23 = 144064703 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 144064711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144064741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10290330 + ... + 10290343.

It is an arithmetic number, because the mean of its divisors is an integer number (41161348).

Almost surely, 2144064711 is an apocalyptic number.

144064711 is a deficient number, since it is larger than the sum of its proper divisors (20580681).

144064711 is an equidigital number, since it uses as much as digits as its factorization.

144064711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20580680.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 144064711 is about 12002.6959888185. The cubic root of 144064711 is about 524.2267813413.

The spelling of 144064711 in words is "one hundred forty-four million, sixty-four thousand, seven hundred eleven".

Divisors: 1 7 20580673 144064711