Search a number
-
+
144105462 = 23219421361
BaseRepresentation
bin10001001011011…
…01111111110110
3101001011022112100
420211231333312
5243342333322
622144402530
73366606354
oct1045557766
9331138470
10144105462
1174386626
1240316446
1323b16c07
14151d27d4
15c9b7dac
hex896dff6

144105462 has 24 divisors (see below), whose sum is σ = 328662360. Its totient is φ = 45506880.

The previous prime is 144105461. The next prime is 144105473. The reversal of 144105462 is 264501441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144105461) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 210339 + ... + 211022.

It is an arithmetic number, because the mean of its divisors is an integer number (13694265).

Almost surely, 2144105462 is an apocalyptic number.

144105462 is an abundant number, since it is smaller than the sum of its proper divisors (184556898).

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

144105462 is a wasteful number, since it uses less digits than its factorization.

144105462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 421388 (or 421385 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 144105462 is about 12004.3934457348. The cubic root of 144105462 is about 524.2762053154.

The spelling of 144105462 in words is "one hundred forty-four million, one hundred five thousand, four hundred sixty-two".

Divisors: 1 2 3 6 9 18 19 38 57 114 171 342 421361 842722 1264083 2528166 3792249 7584498 8005859 16011718 24017577 48035154 72052731 144105462