Search a number
-
+
144252887 is a prime number
BaseRepresentation
bin10001001100100…
…01111111010111
3101001102210202112
420212101333113
5243412043022
622151501235
73401062232
oct1046217727
9331383675
10144252887
1174477369
124038781b
1323b6904c
1415230419
15c9e68e2
hex8991fd7

144252887 has 2 divisors, whose sum is σ = 144252888. Its totient is φ = 144252886.

The previous prime is 144252869. The next prime is 144252907. The reversal of 144252887 is 788252441.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 144252887 - 28 = 144252631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144252847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72126443 + 72126444.

It is an arithmetic number, because the mean of its divisors is an integer number (72126444).

Almost surely, 2144252887 is an apocalyptic number.

144252887 is a deficient number, since it is larger than the sum of its proper divisors (1).

144252887 is an equidigital number, since it uses as much as digits as its factorization.

144252887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 143360, while the sum is 41.

The square root of 144252887 is about 12010.5323362456. The cubic root of 144252887 is about 524.4549287683.

The spelling of 144252887 in words is "one hundred forty-four million, two hundred fifty-two thousand, eight hundred eighty-seven".