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145144345052141 = 1106927131123683
BaseRepresentation
bin100001000000001000001101…
…001000001100001111101101
3201000220122220222001001202122
4201000020031020030033231
5123011021104313132031
61232410220331002325
742400222114533101
oct4100101510141755
9630818828031678
10145144345052141
114227a409970926
1214341b435993a5
1362cb08c5cb406
1427bb049395901
1511ba80e11247b
hex84020d20c3ed

145144345052141 has 4 divisors (see below), whose sum is σ = 145144477282752. Its totient is φ = 145144212821532.

The previous prime is 145144345052051. The next prime is 145144345052173. The reversal of 145144345052141 is 141250543441541.

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 a de Polignac number, because none of the positive numbers 2k-145144345052141 is a prime.

It is a super-2 number, since 2×1451443450521412 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145144345052092 and 145144345052101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145144345052191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64454915 + ... + 66668768.

It is an arithmetic number, because the mean of its divisors is an integer number (36286119320688).

Almost surely, 2145144345052141 is an apocalyptic number.

It is an amenable number.

145144345052141 is a deficient number, since it is larger than the sum of its proper divisors (132230611).

145144345052141 is a wasteful number, since it uses less digits than its factorization.

145144345052141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132230610.

The product of its (nonzero) digits is 768000, while the sum is 44.

Adding to 145144345052141 its reverse (141250543441541), we get a palindrome (286394888493682).

The spelling of 145144345052141 in words is "one hundred forty-five trillion, one hundred forty-four billion, three hundred forty-five million, fifty-two thousand, one hundred forty-one".

Divisors: 1 1106927 131123683 145144345052141