Search a number
-
+
144357450 = 23524322381
BaseRepresentation
bin10001001101010…
…11100001001010
3101001122010012020
420212223201022
5243423414300
622154025310
73402006126
oct1046534112
9331563166
10144357450
1174538986
1240418236
1323ba4813
141525a586
15ca178a0
hex89ab84a

144357450 has 48 divisors (see below), whose sum is σ = 366348576. Its totient is φ = 37598400.

The previous prime is 144357443. The next prime is 144357469. The reversal of 144357450 is 54753441.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

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, 4741 + ... + 17640.

It is an arithmetic number, because the mean of its divisors is an integer number (7632262).

Almost surely, 2144357450 is an apocalyptic number.

144357450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

144357450 is an abundant number, since it is smaller than the sum of its proper divisors (221991126).

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

144357450 is a wasteful number, since it uses less digits than its factorization.

144357450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22439 (or 22434 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 33.

The square root of 144357450 is about 12014.8845187958. The cubic root of 144357450 is about 524.5816167838.

The spelling of 144357450 in words is "one hundred forty-four million, three hundred fifty-seven thousand, four hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 43 50 75 86 129 150 215 258 430 645 1075 1290 2150 3225 6450 22381 44762 67143 111905 134286 223810 335715 559525 671430 962383 1119050 1678575 1924766 2887149 3357150 4811915 5774298 9623830 14435745 24059575 28871490 48119150 72178725 144357450