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144114230303221 = 12728935100149
BaseRepresentation
bin100000110001001000110101…
…100000010001100111110101
3200220021012000111101212222111
4200301020311200101213311
5122342131420424200341
61230301055144531021
742232623654614203
oct4061106540214765
9626235014355874
10144114230303221
1141a12557a57392
12141b6378180a71
136254bb5261a19
142783247594073
15119db1db57681
hex8312358119f5

144114230303221 has 6 divisors (see below), whose sum is σ = 145257923138550. Its totient is φ = 142979472568296.

The previous prime is 144114230303209. The next prime is 144114230303311. The reversal of 144114230303221 is 122303032411441.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 124137701724100 + 19976528579121 = 11141710^2 + 4469511^2 .

It is not a de Polignac number, because 144114230303221 - 29 = 144114230302709 is a prime.

It is a super-2 number, since 2×1441142303032212 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144114230301221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4467533946 + ... + 4467566203.

It is an arithmetic number, because the mean of its divisors is an integer number (24209653856425).

Almost surely, 2144114230303221 is an apocalyptic number.

It is an amenable number.

144114230303221 is a deficient number, since it is larger than the sum of its proper divisors (1143692835329).

144114230303221 is an frugal number, since it uses more digits than its factorization.

144114230303221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8935100403 (or 8935100276 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 144114230303221 its reverse (122303032411441), we get a palindrome (266417262714662).

The spelling of 144114230303221 in words is "one hundred forty-four trillion, one hundred fourteen billion, two hundred thirty million, three hundred three thousand, two hundred twenty-one".

Divisors: 1 127 16129 8935100149 1134757718923 144114230303221