Search a number
-
+
144772115 = 5191523917
BaseRepresentation
bin10001010000100…
…00110000010011
3101002102012000012
420220100300103
5244030201430
622210545135
73405354065
oct1050206023
9332365005
10144772115
11747a1484
12405981ab
1323cbb497
1415327735
15ca9a695
hex8a10c13

144772115 has 8 divisors (see below), whose sum is σ = 182870160. Its totient is φ = 109721952.

The previous prime is 144772091. The next prime is 144772129. The reversal of 144772115 is 511277441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 144772115 - 28 = 144771859 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 761864 + ... + 762053.

It is an arithmetic number, because the mean of its divisors is an integer number (22858770).

Almost surely, 2144772115 is an apocalyptic number.

144772115 is a deficient number, since it is larger than the sum of its proper divisors (38098045).

144772115 is a wasteful number, since it uses less digits than its factorization.

144772115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1523941.

The product of its digits is 7840, while the sum is 32.

The square root of 144772115 is about 12032.1284484500. The cubic root of 144772115 is about 525.0834213621.

The spelling of 144772115 in words is "one hundred forty-four million, seven hundred seventy-two thousand, one hundred fifteen".

Divisors: 1 5 19 95 1523917 7619585 28954423 144772115