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144411143 = 4121116693
BaseRepresentation
bin10001001101110…
…00101000000111
3101001201211211212
420212320220013
5243432124033
622155122035
73402321512
oct1046705007
9331654755
10144411143
1174575258
124044331b
1323bc30a6
1415271d79
15ca28748
hex89b8a07

144411143 has 8 divisors (see below), whose sum is σ = 148643376. Its totient is φ = 140212800.

The previous prime is 144411109. The next prime is 144411151. The reversal of 144411143 is 341114441.

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 144411143 - 212 = 144407047 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 (144431143) 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, 305 + ... + 16997.

It is an arithmetic number, because the mean of its divisors is an integer number (18580422).

Almost surely, 2144411143 is an apocalyptic number.

144411143 is a deficient number, since it is larger than the sum of its proper divisors (4232233).

144411143 is a wasteful number, since it uses less digits than its factorization.

144411143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16945.

The product of its digits is 768, while the sum is 23.

The square root of 144411143 is about 12017.1187478530. The cubic root of 144411143 is about 524.6466471866.

Adding to 144411143 its reverse (341114441), we get a palindrome (485525584).

The spelling of 144411143 in words is "one hundred forty-four million, four hundred eleven thousand, one hundred forty-three".

Divisors: 1 41 211 8651 16693 684413 3522223 144411143