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144223113 = 348074371
BaseRepresentation
bin10001001100010…
…10101110001001
3101001101021220210
420212022232021
5243410114423
622151111333
73400606356
oct1046125611
9331337823
10144223113
1174456a61
1240372549
1323b58628
141522362d
15c9dcb93
hex898ab89

144223113 has 4 divisors (see below), whose sum is σ = 192297488. Its totient is φ = 96148740.

The previous prime is 144223099. The next prime is 144223127. The reversal of 144223113 is 311322441.

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 an interprime number because it is at equal distance from previous prime (144223099) and next prime (144223127).

It is not a de Polignac number, because 144223113 - 226 = 77114249 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 144223113.

It is not an unprimeable number, because it can be changed into a prime (144223193) 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, 24037183 + ... + 24037188.

It is an arithmetic number, because the mean of its divisors is an integer number (48074372).

Almost surely, 2144223113 is an apocalyptic number.

It is an amenable number.

144223113 is a deficient number, since it is larger than the sum of its proper divisors (48074375).

144223113 is an equidigital number, since it uses as much as digits as its factorization.

144223113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48074374.

The product of its digits is 576, while the sum is 21.

The square root of 144223113 is about 12009.2927768458. The cubic root of 144223113 is about 524.4188435390.

Adding to 144223113 its reverse (311322441), we get a palindrome (455545554).

The spelling of 144223113 in words is "one hundred forty-four million, two hundred twenty-three thousand, one hundred thirteen".

Divisors: 1 3 48074371 144223113