Search a number
-
+
144297655 = 5415931187
BaseRepresentation
bin10001001100111…
…00111010110111
3101001112002011121
420212130322313
5243420011110
622152444411
73401336605
oct1046347267
9331462147
10144297655
11744a7a67
12403a9707
1323b83538
1415242875
15ca04cda
hex899ceb7

144297655 has 16 divisors (see below), whose sum is σ = 177829344. Its totient is φ = 112337920.

The previous prime is 144297623. The next prime is 144297667. The reversal of 144297655 is 556792441.

It is not a de Polignac number, because 144297655 - 25 = 144297623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120972 + ... + 122158.

It is an arithmetic number, because the mean of its divisors is an integer number (11114334).

Almost surely, 2144297655 is an apocalyptic number.

144297655 is a deficient number, since it is larger than the sum of its proper divisors (33531689).

144297655 is a wasteful number, since it uses less digits than its factorization.

144297655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1826.

The product of its digits is 302400, while the sum is 43.

The square root of 144297655 is about 12012.3958892471. The cubic root of 144297655 is about 524.5091769485.

The spelling of 144297655 in words is "one hundred forty-four million, two hundred ninety-seven thousand, six hundred fifty-five".

Divisors: 1 5 41 205 593 1187 2965 5935 24313 48667 121565 243335 703891 3519455 28859531 144297655