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144317433 = 31323349461
BaseRepresentation
bin10001001101000…
…01101111111001
3101001120002022010
420212201233321
5243421124213
622153120133
73401451351
oct1046415771
9331502263
10144317433
1174510907
12403b9049
1323b8c540
1415249b61
15ca0aac3
hex89a1bf9

144317433 has 32 divisors (see below), whose sum is σ = 217324800. Its totient is φ = 84522240.

The previous prime is 144317419. The next prime is 144317441. The reversal of 144317433 is 334713441.

It is not a de Polignac number, because 144317433 - 210 = 144316409 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 144317433.

It is not an unprimeable number, because it can be changed into a prime (144317413) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 312823 + ... + 313283.

It is an arithmetic number, because the mean of its divisors is an integer number (6791400).

Almost surely, 2144317433 is an apocalyptic number.

144317433 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

144317433 is a deficient number, since it is larger than the sum of its proper divisors (73007367).

144317433 is a wasteful number, since it uses less digits than its factorization.

144317433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 849.

The product of its digits is 12096, while the sum is 30.

The square root of 144317433 is about 12013.2190939814. The cubic root of 144317433 is about 524.5331396123.

The spelling of 144317433 in words is "one hundred forty-four million, three hundred seventeen thousand, four hundred thirty-three".

Divisors: 1 3 13 23 39 69 299 349 461 897 1047 1383 4537 5993 8027 10603 13611 17979 24081 31809 104351 137839 160889 313053 413517 482667 2091557 3700447 6274671 11101341 48105811 144317433