Search a number
-
+
144321114 = 23747113647
BaseRepresentation
bin10001001101000…
…10101001011010
3101001120021100110
420212202221122
5243421233424
622153145150
73401465160
oct1046425132
9331507313
10144321114
1174513653
12403bb1b6
1323b91112
141524b230
15ca0bc29
hex89a2a5a

144321114 has 64 divisors (see below), whose sum is σ = 340402176. Its totient is φ = 39938304.

The previous prime is 144321049. The next prime is 144321137. The reversal of 144321114 is 411123441.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 222739 + ... + 223385.

It is an arithmetic number, because the mean of its divisors is an integer number (5318784).

Almost surely, 2144321114 is an apocalyptic number.

144321114 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 144321114, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170201088).

144321114 is an abundant number, since it is smaller than the sum of its proper divisors (196081062).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144321114 is a wasteful number, since it uses less digits than its factorization.

144321114 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 819.

The product of its digits is 384, while the sum is 21.

The square root of 144321114 is about 12013.3722992339. The cubic root of 144321114 is about 524.5375992031.

Adding to 144321114 its reverse (411123441), we get a palindrome (555444555).

The spelling of 144321114 in words is "one hundred forty-four million, three hundred twenty-one thousand, one hundred fourteen".

Divisors: 1 2 3 6 7 14 21 42 47 94 113 141 226 282 329 339 647 658 678 791 987 1294 1582 1941 1974 2373 3882 4529 4746 5311 9058 10622 13587 15933 27174 30409 31866 37177 60818 73111 74354 91227 111531 146222 182454 212863 219333 223062 425726 438666 511777 638589 1023554 1277178 1535331 3070662 3436217 6872434 10308651 20617302 24053519 48107038 72160557 144321114