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144613520450401 = 179083393651841
BaseRepresentation
bin100000111000011001110101…
…100001000010001101100001
3200222000220202212220100012211
4200320121311201002031201
5122423321442213403101
61231322311213322121
742313660564055032
oct4070316541021541
9628026685810184
10144613520450401
1142095282255962
121427709b496341
13628ccc5300832
14279d4903d6a89
1511abae22bdc51
hex838675842361

144613520450401 has 8 divisors (see below), whose sum is σ = 153121885492104. Its totient is φ = 136105342894080.

The previous prime is 144613520450389. The next prime is 144613520450429. The reversal of 144613520450401 is 104054025316441.

It can be written as a sum of positive squares in 4 ways, for example, as 84485142896400 + 60128377554001 = 9191580^2 + 7754249^2 .

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 144613520450401 - 239 = 144063764636513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144613520450471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45281760 + ... + 48370081.

It is an arithmetic number, because the mean of its divisors is an integer number (19140235686513).

Almost surely, 2144613520450401 is an apocalyptic number.

It is an amenable number.

144613520450401 is a deficient number, since it is larger than the sum of its proper divisors (8508365041703).

144613520450401 is an equidigital number, since it uses as much as digits as its factorization.

144613520450401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93742691.

The product of its (nonzero) digits is 230400, while the sum is 40.

Adding to 144613520450401 its reverse (104054025316441), we get a palindrome (248667545766842).

The spelling of 144613520450401 in words is "one hundred forty-four trillion, six hundred thirteen billion, five hundred twenty million, four hundred fifty thousand, four hundred one".

Divisors: 1 17 90833 1544161 93651841 1592081297 8506677673553 144613520450401