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145121042251143 = 3376397120030671
BaseRepresentation
bin100000111111110010100000…
…001011000011110110000111
3201000211102202221201010022000
4200333302200023003312013
5123010130343304014033
61232351404135040343
742365435466146550
oct4077624013036607
9630742687633260
10145121042251143
1142270541064602
121433951b5100b3
1362c8b178a057a
1427b9c785a5327
1511b9de843da13
hex83fca02c3d87

145121042251143 has 32 divisors (see below), whose sum is σ = 245745996625920. Its totient is φ = 82913345854560.

The previous prime is 145121042251127. The next prime is 145121042251177. The reversal of 145121042251143 is 341152240121541.

145121042251143 is a `hidden beast` number, since 1 + 4 + 5 + 1 + 210 + 422 + 5 + 1 + 14 + 3 = 666.

It is not a de Polignac number, because 145121042251143 - 24 = 145121042251127 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 145121042251098 and 145121042251107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145121042251103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58806303 + ... + 61224368.

It is an arithmetic number, because the mean of its divisors is an integer number (7679562394560).

Almost surely, 2145121042251143 is an apocalyptic number.

145121042251143 is a deficient number, since it is larger than the sum of its proper divisors (100624954374777).

145121042251143 is a wasteful number, since it uses less digits than its factorization.

145121042251143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120037084 (or 120037078 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

Adding to 145121042251143 its reverse (341152240121541), we get a palindrome (486273282372684).

The spelling of 145121042251143 in words is "one hundred forty-five trillion, one hundred twenty-one billion, forty-two million, two hundred fifty-one thousand, one hundred forty-three".

Divisors: 1 3 7 9 21 27 63 189 6397 19191 44779 57573 134337 172719 403011 1209033 120030671 360092013 840214697 1080276039 2520644091 3240828117 7561932273 22685796819 767836202387 2303508607161 5374853416709 6910525821483 16124560250127 20731577464449 48373680750381 145121042251143