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145111645463 = 743195305041
BaseRepresentation
bin1000011100100101010…
…0111111110100010111
3111212120002011101002112
42013021110333310113
54334142040123323
6150355142101235
713325000430521
oct2071124776427
9455502141075
10145111645463
11565a5817024
122415971a81b
13108b78b0b95
147048472a11
153b9487d178
hex21c953fd17

145111645463 has 4 divisors (see below), whose sum is σ = 145306951248. Its totient is φ = 144916339680.

The previous prime is 145111645433. The next prime is 145111645519. The reversal of 145111645463 is 364546111541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 364546111541 = 1013609367441.

It is a cyclic number.

It is not a de Polignac number, because 145111645463 - 210 = 145111644439 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 145111645463.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145111645403) 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, 97651778 + ... + 97653263.

It is an arithmetic number, because the mean of its divisors is an integer number (36326737812).

Almost surely, 2145111645463 is an apocalyptic number.

145111645463 is a deficient number, since it is larger than the sum of its proper divisors (195305785).

145111645463 is an equidigital number, since it uses as much as digits as its factorization.

145111645463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195305784.

The product of its digits is 172800, while the sum is 41.

The spelling of 145111645463 in words is "one hundred forty-five billion, one hundred eleven million, six hundred forty-five thousand, four hundred sixty-three".

Divisors: 1 743 195305041 145111645463