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144421108 = 22132777329
BaseRepresentation
bin10001001101110…
…11000011110100
3101001202100111221
420212323003310
5243432433413
622155240124
73402362536
oct1046730364
9331670457
10144421108
1174581797
1240449044
1323bc77a0
1415275856
15ca2b68d
hex89bb0f4

144421108 has 12 divisors (see below), whose sum is σ = 272178340. Its totient is φ = 66655872.

The previous prime is 144421061. The next prime is 144421111. The reversal of 144421108 is 801124441.

144421108 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 29030544 + 115390564 = 5388^2 + 10742^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1388613 + ... + 1388716.

Almost surely, 2144421108 is an apocalyptic number.

It is an amenable number.

144421108 is a deficient number, since it is larger than the sum of its proper divisors (127757232).

144421108 is a wasteful number, since it uses less digits than its factorization.

144421108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2777346 (or 2777344 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 25.

The square root of 144421108 is about 12017.5333575572. The cubic root of 144421108 is about 524.6587145462.

Adding to 144421108 its reverse (801124441), we get a palindrome (945545549).

The spelling of 144421108 in words is "one hundred forty-four million, four hundred twenty-one thousand, one hundred eight".

Divisors: 1 2 4 13 26 52 2777329 5554658 11109316 36105277 72210554 144421108