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144301456897 = 1311100112069
BaseRepresentation
bin1000011001100100001…
…0010111111000000001
3111210110121122112022121
42012121002113320001
54331012133110042
6150142521004241
713265632100653
oct2063102277001
9453417575277
10144301456897
115621a4573a4
1223b72323681
13107b8aa1670
146daca146d3
153b48692367
hex2199097e01

144301456897 has 4 divisors (see below), whose sum is σ = 155401568980. Its totient is φ = 133201344816.

The previous prime is 144301456877. The next prime is 144301456907. The reversal of 144301456897 is 798654103441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 798654103441 = 1612374953293.

It can be written as a sum of positive squares in 2 ways, for example, as 60574562161 + 83726894736 = 246119^2 + 289356^2 .

It is a cyclic number.

It is not a de Polignac number, because 144301456897 - 227 = 144167239169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144301456877) 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, 5550056022 + ... + 5550056047.

It is an arithmetic number, because the mean of its divisors is an integer number (38850392245).

Almost surely, 2144301456897 is an apocalyptic number.

It is an amenable number.

144301456897 is a deficient number, since it is larger than the sum of its proper divisors (11100112083).

144301456897 is a wasteful number, since it uses less digits than its factorization.

144301456897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11100112082.

The product of its (nonzero) digits is 2903040, while the sum is 52.

The spelling of 144301456897 in words is "one hundred forty-four billion, three hundred one million, four hundred fifty-six thousand, eight hundred ninety-seven".

Divisors: 1 13 11100112069 144301456897