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144450004521 = 361789344287
BaseRepresentation
bin1000011010000111100…
…1000010011000101001
3111210211222011112100110
42012201321002120221
54331313200121041
6150205344524533
713302414531264
oct2064171023051
9453758145313
10144450004521
1156296297429
1223bb4020749
13108107b2474
146dc4641cdb
153b56736516
hex21a1e42629

144450004521 has 8 divisors (see below), whose sum is σ = 195757383424. Its totient is φ = 94721314320.

The previous prime is 144450004519. The next prime is 144450004579. The reversal of 144450004521 is 125400054441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 144450004521 - 21 = 144450004519 is a prime.

It is a super-2 number, since 2×1444500045212 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144450004421) 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, 394671961 + ... + 394672326.

It is an arithmetic number, because the mean of its divisors is an integer number (24469672928).

Almost surely, 2144450004521 is an apocalyptic number.

It is an amenable number.

144450004521 is a deficient number, since it is larger than the sum of its proper divisors (51307378903).

144450004521 is an equidigital number, since it uses as much as digits as its factorization.

144450004521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 789344351.

The product of its (nonzero) digits is 12800, while the sum is 30.

Adding to 144450004521 its reverse (125400054441), we get a palindrome (269850058962).

The spelling of 144450004521 in words is "one hundred forty-four billion, four hundred fifty million, four thousand, five hundred twenty-one".

Divisors: 1 3 61 183 789344287 2368032861 48150001507 144450004521