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144270077 = 722790793
BaseRepresentation
bin10001001100101…
…10001011111101
3101001110200100012
420212112023331
5243413120302
622152113005
73401163320
oct1046261375
9331420305
10144270077
1174489276
1240395765
1323b73b13
14152367b7
15c9eba52
hex89962fd

144270077 has 8 divisors (see below), whose sum is σ = 165608256. Its totient is φ = 123113952.

The previous prime is 144270047. The next prime is 144270079. The reversal of 144270077 is 770072441.

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 144270077 - 28 = 144269821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144270079) 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, 43808 + ... + 46985.

It is an arithmetic number, because the mean of its divisors is an integer number (20701032).

Almost surely, 2144270077 is an apocalyptic number.

It is an amenable number.

144270077 is a deficient number, since it is larger than the sum of its proper divisors (21338179).

144270077 is an equidigital number, since it uses as much as digits as its factorization.

144270077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91027.

The product of its (nonzero) digits is 10976, while the sum is 32.

The square root of 144270077 is about 12011.2479368299. The cubic root of 144270077 is about 524.4757602916.

The spelling of 144270077 in words is "one hundred forty-four million, two hundred seventy thousand, seventy-seven".

Divisors: 1 7 227 1589 90793 635551 20610011 144270077