Search a number
-
+
144469345 = 51031631721
BaseRepresentation
bin10001001110001…
…10110101100001
3101001211210200111
420213012311201
5243441004340
622200251321
73402653266
oct1047066541
9331753614
10144469345
1174604a59
1240470b41
1323c13727
141528926d
15ca3aaea
hex89c6d61

144469345 has 16 divisors (see below), whose sum is σ = 176222592. Its totient is φ = 113685120.

The previous prime is 144469307. The next prime is 144469397. The reversal of 144469345 is 543964441.

It is not a de Polignac number, because 144469345 - 217 = 144338273 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144469298 and 144469307.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83085 + ... + 84805.

It is an arithmetic number, because the mean of its divisors is an integer number (11013912).

Almost surely, 2144469345 is an apocalyptic number.

It is an amenable number.

144469345 is a deficient number, since it is larger than the sum of its proper divisors (31753247).

144469345 is a wasteful number, since it uses less digits than its factorization.

144469345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1992.

The product of its digits is 207360, while the sum is 40.

The square root of 144469345 is about 12019.5401326340. The cubic root of 144469345 is about 524.7171204715.

The spelling of 144469345 in words is "one hundred forty-four million, four hundred sixty-nine thousand, three hundred forty-five".

Divisors: 1 5 103 163 515 815 1721 8605 16789 83945 177263 280523 886315 1402615 28893869 144469345