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144542042504525 = 5229881226297769
BaseRepresentation
bin100000110111010111010001…
…000110010011110101001101
3200221210002021110112110202002
4200313113101012103311031
5122421134100340121100
61231225410405042045
742305550362413211
oct4067272106236515
9627702243473662
10144542042504525
1142067a32877216
12142652716b6325
1362863439162c3
142799c2d3bc941
1511a9d0c06d2d5
hex8375d1193d4d

144542042504525 has 24 divisors (see below), whose sum is σ = 185623008820200. Its totient is φ = 111519540070400.

The previous prime is 144542042504441. The next prime is 144542042504603. The reversal of 144542042504525 is 525405240245441.

It is a happy number.

144542042504525 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 12 ways, for example, as 110676754171204 + 33865288333321 = 10520302^2 + 5819389^2 .

It is a de Polignac number, because none of the positive numbers 2k-144542042504525 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 144542042504525.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 112510160 + ... + 113787609.

It is an arithmetic number, because the mean of its divisors is an integer number (7734292034175).

Almost surely, 2144542042504525 is an apocalyptic number.

It is an amenable number.

144542042504525 is a deficient number, since it is larger than the sum of its proper divisors (41080966315675).

144542042504525 is a wasteful number, since it uses less digits than its factorization.

144542042504525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226298689 (or 226298684 counting only the distinct ones).

The product of its (nonzero) digits is 5120000, while the sum is 47.

Adding to 144542042504525 its reverse (525405240245441), we get a palindrome (669947282749966).

The spelling of 144542042504525 in words is "one hundred forty-four trillion, five hundred forty-two billion, forty-two million, five hundred four thousand, five hundred twenty-five".

Divisors: 1 5 25 29 145 725 881 4405 22025 25549 127745 638725 226297769 1131488845 5657444225 6562635301 32813176505 164065882525 199368334489 996841672445 4984208362225 5781681700181 28908408500905 144542042504525