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144859297 = 1113169027
BaseRepresentation
bin10001010001001…
…10000010100001
3101002120121121011
420220212002201
5244040444142
622212500521
73406166212
oct1050460241
9332517534
10144859297
1174850a30
124061a741
132401c07b
141534b409
15cab6417
hex8a260a1

144859297 has 4 divisors (see below), whose sum is σ = 158028336. Its totient is φ = 131690260.

The previous prime is 144859277. The next prime is 144859327. The reversal of 144859297 is 792958441.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 144859297 - 227 = 10641569 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 144859297.

It is not an unprimeable number, because it can be changed into a prime (144859207) 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, 6584503 + ... + 6584524.

It is an arithmetic number, because the mean of its divisors is an integer number (39507084).

Almost surely, 2144859297 is an apocalyptic number.

It is an amenable number.

144859297 is a deficient number, since it is larger than the sum of its proper divisors (13169039).

144859297 is a wasteful number, since it uses less digits than its factorization.

144859297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13169038.

The product of its digits is 725760, while the sum is 49.

The square root of 144859297 is about 12035.7507867187. The cubic root of 144859297 is about 525.1888022378.

The spelling of 144859297 in words is "one hundred forty-four million, eight hundred fifty-nine thousand, two hundred ninety-seven".

Divisors: 1 11 13169027 144859297