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144104515 = 5197146299
BaseRepresentation
bin10001001011011…
…01110001000011
3101001011021020021
420211231301003
5243342321030
622144354311
73366603532
oct1045556103
9331137207
10144104515
1174385945
1240315997
1323b16659
14151d2319
15c9b797a
hex896dc43

144104515 has 8 divisors (see below), whose sum is σ = 173804400. Its totient is φ = 114697632.

The previous prime is 144104507. The next prime is 144104537. The reversal of 144104515 is 515401441.

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

It is a cyclic number.

It is not a de Polignac number, because 144104515 - 23 = 144104507 is a prime.

It is a super-2 number, since 2×1441045152 = 41532222486770450, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 144104515.

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 7 ways as a sum of consecutive naturals, for example, 72165 + ... + 74134.

It is an arithmetic number, because the mean of its divisors is an integer number (21725550).

Almost surely, 2144104515 is an apocalyptic number.

144104515 is a deficient number, since it is larger than the sum of its proper divisors (29699885).

144104515 is a wasteful number, since it uses less digits than its factorization.

144104515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146501.

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 144104515 is about 12004.3540017779. The cubic root of 144104515 is about 524.2750568726.

Adding to 144104515 its reverse (515401441), we get a palindrome (659505956).

The spelling of 144104515 in words is "one hundred forty-four million, one hundred four thousand, five hundred fifteen".

Divisors: 1 5 197 985 146299 731495 28820903 144104515