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144136023 = 361977753
BaseRepresentation
bin10001001011101…
…01011101010111
3101001012212110020
420211311131113
5243344323043
622145200223
73400064433
oct1045653527
9331185406
10144136023
11743a7589
1240330073
1323b27ab5
14151dd9c3
15c9c1e83
hex8975757

144136023 has 8 divisors (see below), whose sum is σ = 192237168. Its totient is φ = 96062784.

The previous prime is 144136001. The next prime is 144136039. The reversal of 144136023 is 320631441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 144136023 - 214 = 144119639 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 144135984 and 144136002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144136063) 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, 14715 + ... + 22467.

It is an arithmetic number, because the mean of its divisors is an integer number (24029646).

Almost surely, 2144136023 is an apocalyptic number.

144136023 is a deficient number, since it is larger than the sum of its proper divisors (48101145).

144136023 is an equidigital number, since it uses as much as digits as its factorization.

144136023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13953.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 144136023 is about 12005.6662872162. Note that the first 3 decimals coincide. The cubic root of 144136023 is about 524.3132644534.

Adding to 144136023 its reverse (320631441), we get a palindrome (464767464).

The spelling of 144136023 in words is "one hundred forty-four million, one hundred thirty-six thousand, twenty-three".

Divisors: 1 3 6197 7753 18591 23259 48045341 144136023