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144816089 = 1113165099
BaseRepresentation
bin10001010000110…
…11011111011001
3101002111102022212
420220123133121
5244033103324
622211524505
73405626225
oct1050333731
9332442285
10144816089
1174821520
12405b9735
13240054c2
1415339785
15caa870e
hex8a1b7d9

144816089 has 4 divisors (see below), whose sum is σ = 157981200. Its totient is φ = 131650980.

The previous prime is 144816041. The next prime is 144816103. The reversal of 144816089 is 980618441.

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 144816089 - 224 = 128038873 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144816019) 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, 6582539 + ... + 6582560.

It is an arithmetic number, because the mean of its divisors is an integer number (39495300).

Almost surely, 2144816089 is an apocalyptic number.

It is an amenable number.

144816089 is a deficient number, since it is larger than the sum of its proper divisors (13165111).

144816089 is a wasteful number, since it uses less digits than its factorization.

144816089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13165110.

The product of its (nonzero) digits is 55296, while the sum is 41.

The square root of 144816089 is about 12033.9556671944. The cubic root of 144816089 is about 525.1365800360.

The spelling of 144816089 in words is "one hundred forty-four million, eight hundred sixteen thousand, eighty-nine".

Divisors: 1 11 13165099 144816089