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BaseRepresentation
bin100000110101111001010111…
…001001111111011100100001
3200221102110000102220112010201
4200311321113021333130201
5122413011100333321231
61231111213230025201
742265350615603124
oct4065712711773441
9627373012815121
10144441212401441
11420291a090a40a
1214249811948201
136279995143b07
142794dc5dd83bb
1511a73aa012161
hex835e5727f721

144441212401441 has 4 divisors (see below), whose sum is σ = 144445673662852. Its totient is φ = 144436751140032.

The previous prime is 144441212401433. The next prime is 144441212401471. The reversal of 144441212401441 is 144104212144441.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 55479720237841 + 88961492163600 = 7448471^2 + 9431940^2 .

It is a cyclic number.

It is not a de Polignac number, because 144441212401441 - 23 = 144441212401433 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 144441212401441.

It is not an unprimeable number, because it can be changed into a prime (144441212401471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2230582140 + ... + 2230646893.

It is an arithmetic number, because the mean of its divisors is an integer number (36111418415713).

Almost surely, 2144441212401441 is an apocalyptic number.

It is an amenable number.

144441212401441 is a deficient number, since it is larger than the sum of its proper divisors (4461261411).

144441212401441 is an equidigital number, since it uses as much as digits as its factorization.

144441212401441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4461261410.

The product of its (nonzero) digits is 65536, while the sum is 37.

Adding to 144441212401441 its reverse (144104212144441), we get a palindrome (288545424545882).

The spelling of 144441212401441 in words is "one hundred forty-four trillion, four hundred forty-one billion, two hundred twelve million, four hundred one thousand, four hundred forty-one".

Divisors: 1 32377 4461229033 144441212401441