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145531310224241 = 721920159483339
BaseRepresentation
bin100001000101110000100110…
…000011001011001101110001
3201002021122202020021120101202
4201011300212003023031301
5123033341110404133431
61233304054433340545
742440201351322314
oct4105604603131561
9632248666246352
10145531310224241
11424095336a0087
12143a4b39407755
13632870b592426
1427d1a7832497b
1511c590b4c98cb
hex845c260cb371

145531310224241 has 4 divisors (see below), whose sum is σ = 145551469714800. Its totient is φ = 145511150733684.

The previous prime is 145531310224213. The next prime is 145531310224247. The reversal of 145531310224241 is 142422013135541.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 145531310224241 - 210 = 145531310223217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145531310224195 and 145531310224204.

It is not an unprimeable number, because it can be changed into a prime (145531310224247) 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, 10079734451 + ... + 10079748888.

It is an arithmetic number, because the mean of its divisors is an integer number (36387867428700).

Almost surely, 2145531310224241 is an apocalyptic number.

It is an amenable number.

145531310224241 is a deficient number, since it is larger than the sum of its proper divisors (20159490559).

145531310224241 is an equidigital number, since it uses as much as digits as its factorization.

145531310224241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20159490558.

The product of its (nonzero) digits is 115200, while the sum is 38.

Adding to 145531310224241 its reverse (142422013135541), we get a palindrome (287953323359782).

The spelling of 145531310224241 in words is "one hundred forty-five trillion, five hundred thirty-one billion, three hundred ten million, two hundred twenty-four thousand, two hundred forty-one".

Divisors: 1 7219 20159483339 145531310224241