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144465222005 = 5132222541877
BaseRepresentation
bin1000011010001011001…
…1000101100101110101
3111210220000210122210222
42012202303011211311
54331331044101010
6150211051024125
713302661061156
oct2064263054565
9453800718728
10144465222005
11562a3940565
1223bb913b045
13108139acab0
146dc668392d
153b57c40355
hex21a2cc5975

144465222005 has 8 divisors (see below), whose sum is σ = 186693517752. Its totient is φ = 106682010048.

The previous prime is 144465221921. The next prime is 144465222023. The reversal of 144465222005 is 500222564441.

It can be written as a sum of positive squares in 4 ways, for example, as 1467043204 + 142998178801 = 38302^2 + 378151^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 144465222005 - 210 = 144465220981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1111270874 + ... + 1111271003.

It is an arithmetic number, because the mean of its divisors is an integer number (23336689719).

Almost surely, 2144465222005 is an apocalyptic number.

It is an amenable number.

144465222005 is a deficient number, since it is larger than the sum of its proper divisors (42228295747).

144465222005 is a wasteful number, since it uses less digits than its factorization.

144465222005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2222541895.

The product of its (nonzero) digits is 76800, while the sum is 35.

Adding to 144465222005 its reverse (500222564441), we get a palindrome (644687786446).

The spelling of 144465222005 in words is "one hundred forty-four billion, four hundred sixty-five million, two hundred twenty-two thousand, five".

Divisors: 1 5 13 65 2222541877 11112709385 28893044401 144465222005