Search a number
-
+
144527207 = 1113138837
BaseRepresentation
bin10001001110101…
…00111101100111
3101001221202001112
420213110331213
5243444332312
622201415235
73403314056
oct1047247547
9331852045
10144527207
1174644480
124049a51b
1323c33b76
14152a239d
15ca4cd22
hex89d4f67

144527207 has 4 divisors (see below), whose sum is σ = 157666056. Its totient is φ = 131388360.

The previous prime is 144527137. The next prime is 144527219. The reversal of 144527207 is 702725441.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 144527207 - 28 = 144526951 is a prime.

It is a super-2 number, since 2×1445272072 = 41776227126441698, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144521207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6569408 + ... + 6569429.

It is an arithmetic number, because the mean of its divisors is an integer number (39416514).

Almost surely, 2144527207 is an apocalyptic number.

144527207 is a deficient number, since it is larger than the sum of its proper divisors (13138849).

144527207 is a wasteful number, since it uses less digits than its factorization.

144527207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13138848.

The product of its (nonzero) digits is 15680, while the sum is 32.

The square root of 144527207 is about 12021.9468889194. The cubic root of 144527207 is about 524.7871633113.

The spelling of 144527207 in words is "one hundred forty-four million, five hundred twenty-seven thousand, two hundred seven".

Divisors: 1 11 13138837 144527207