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BaseRepresentation
bin100000110101111000110100…
…101100001100010011100111
3200221102101112010212001010001
4200311320310230030103213
5122413003404321230310
61231111040012242131
742265330364635036
oct4065706454142347
9627371463761101
10144440634164455
1142028a24476402
1214249690170347
1362799023c7c55
142794d6d2b871d
1511a737439293a
hex835e34b0c4e7

144440634164455 has 32 divisors (see below), whose sum is σ = 176996147575104. Its totient is φ = 113117416129536.

The previous prime is 144440634164341. The next prime is 144440634164549. The reversal of 144440634164455 is 554461436044441.

It is a cyclic number.

It is not a de Polignac number, because 144440634164455 - 215 = 144440634131687 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144440634164396 and 144440634164405.

It is a congruent number.

It is an unprimeable number.

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, 3221007264 + ... + 3221052106.

It is an arithmetic number, because the mean of its divisors is an integer number (5531129611722).

Almost surely, 2144440634164455 is an apocalyptic number.

144440634164455 is a deficient number, since it is larger than the sum of its proper divisors (32555513410649).

144440634164455 is a wasteful number, since it uses less digits than its factorization.

144440634164455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71955.

The product of its (nonzero) digits is 44236800, while the sum is 55.

The spelling of 144440634164455 in words is "one hundred forty-four trillion, four hundred forty billion, six hundred thirty-four million, one hundred sixty-four thousand, four hundred fifty-five".