Search a number
-
+
144502552 = 2318062819
BaseRepresentation
bin10001001110011…
…10111100011000
3101001220111020101
420213032330120
5243443040202
622201105144
73403152145
oct1047167430
9331814211
10144502552
11746279a7
12404881b4
1323c2588c
14152973cc
15ca45887
hex89cef18

144502552 has 8 divisors (see below), whose sum is σ = 270942300. Its totient is φ = 72251272.

The previous prime is 144502541. The next prime is 144502577. The reversal of 144502552 is 255205441.

144502552 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 144502552.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9031402 + ... + 9031417.

Almost surely, 2144502552 is an apocalyptic number.

It is an amenable number.

144502552 is a deficient number, since it is larger than the sum of its proper divisors (126439748).

144502552 is a wasteful number, since it uses less digits than its factorization.

144502552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18062825 (or 18062821 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 28.

The square root of 144502552 is about 12020.9214289089. The cubic root of 144502552 is about 524.7573203412.

Adding to 144502552 its reverse (255205441), we get a palindrome (399707993).

The spelling of 144502552 in words is "one hundred forty-four million, five hundred two thousand, five hundred fifty-two".

Divisors: 1 2 4 8 18062819 36125638 72251276 144502552