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144354005440 = 265538511439
BaseRepresentation
bin1000011001110000101…
…0110101000111000000
3111210121021112021100221
42012130022311013000
54331114111133230
6150152035152424
713300140541501
oct2063412650700
9453537467327
10144354005440
1156247088947
1223b87a45714
13107c693ca88
146db59b2ba8
153b4d0c227a
hex219c2b51c0

144354005440 has 56 divisors (see below), whose sum is σ = 350228733120. Its totient is φ = 56652131328.

The previous prime is 144354005407. The next prime is 144354005447. The reversal of 144354005440 is 44500453441.

It is a junction number, because it is equal to n+sod(n) for n = 144354005396 and 144354005405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144354005447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4238760 + ... + 4272679.

It is an arithmetic number, because the mean of its divisors is an integer number (6254084520).

Almost surely, 2144354005440 is an apocalyptic number.

144354005440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144354005440 is an abundant number, since it is smaller than the sum of its proper divisors (205874727680).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

144354005440 is an equidigital number, since it uses as much as digits as its factorization.

144354005440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8511509 (or 8511499 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 34.

Adding to 144354005440 its reverse (44500453441), we get a palindrome (188854458881).

The spelling of 144354005440 in words is "one hundred forty-four billion, three hundred fifty-four million, five thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 53 64 80 106 160 212 265 320 424 530 848 1060 1696 2120 3392 4240 8480 16960 8511439 17022878 34045756 42557195 68091512 85114390 136183024 170228780 272366048 340457560 451106267 544732096 680915120 902212534 1361830240 1804425068 2255531335 2723660480 3608850136 4511062670 7217700272 9022125340 14435400544 18044250680 28870801088 36088501360 72177002720 144354005440