Search a number
-
+
144552342 = 23111926067
BaseRepresentation
bin10001001110110…
…11000110010110
3101002000000112110
420213123012112
5244001133332
622202131450
73403450254
oct1047330626
9332000473
10144552342
1174661350
12404b0b86
1323c4243c
14152ab5d4
15ca554cc
hex89db196

144552342 has 48 divisors (see below), whose sum is σ = 332914752. Its totient is φ = 41491440.

The previous prime is 144552329. The next prime is 144552389. The reversal of 144552342 is 243255441.

144552342 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20793 + ... + 26859.

It is an arithmetic number, because the mean of its divisors is an integer number (6935724).

Almost surely, 2144552342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144552342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166457376).

144552342 is an abundant number, since it is smaller than the sum of its proper divisors (188362410).

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

144552342 is a wasteful number, since it uses less digits than its factorization.

144552342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6121 (or 6102 counting only the distinct ones).

The product of its digits is 19200, while the sum is 30.

The square root of 144552342 is about 12022.9922232363. The cubic root of 144552342 is about 524.8175837906.

The spelling of 144552342 in words is "one hundred forty-four million, five hundred fifty-two thousand, three hundred forty-two".

Divisors: 1 2 3 6 11 19 22 33 38 57 66 114 209 361 418 627 722 1083 1254 2166 3971 6067 7942 11913 12134 18201 23826 36402 66737 115273 133474 200211 230546 345819 400422 691638 1268003 2190187 2536006 3804009 4380374 6570561 7608018 13141122 24092057 48184114 72276171 144552342