Search a number
-
+
144226379 = 1113111489
BaseRepresentation
bin10001001100010…
…11100001001011
3101001101110101202
420212023201023
5243410221004
622151134415
73400622033
oct1046134113
9331343352
10144226379
1174459460
124037440b
1323b59c6b
14152248c3
15c9ddb1e
hex898b84b

144226379 has 4 divisors (see below), whose sum is σ = 157337880. Its totient is φ = 131114880.

The previous prime is 144226373. The next prime is 144226417. The reversal of 144226379 is 973622441.

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 144226379 - 212 = 144222283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144226373) 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, 6555734 + ... + 6555755.

It is an arithmetic number, because the mean of its divisors is an integer number (39334470).

Almost surely, 2144226379 is an apocalyptic number.

144226379 is a deficient number, since it is larger than the sum of its proper divisors (13111501).

144226379 is a wasteful number, since it uses less digits than its factorization.

144226379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13111500.

The product of its digits is 72576, while the sum is 38.

The square root of 144226379 is about 12009.4287541082. The cubic root of 144226379 is about 524.4228020793.

The spelling of 144226379 in words is "one hundred forty-four million, two hundred twenty-six thousand, three hundred seventy-nine".

Divisors: 1 11 13111489 144226379