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144452639453 = 3110146136263
BaseRepresentation
bin1000011010001000001…
…1000101101011011101
3111210212011010101210112
42012202003011223131
54331314333430303
6150205521215405
713302446114303
oct2064203055335
9453764111715
10144452639453
1156297827061
1223bb4a91565
13108111c58b5
146dc4b2a273
153b56aa70d8
hex21a20c5add

144452639453 has 8 divisors (see below), whose sum is σ = 150588765696. Its totient is φ = 138408786000.

The previous prime is 144452639449. The next prime is 144452639459. The reversal of 144452639453 is 354936254441.

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 144452639453 - 22 = 144452639449 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144452639459) 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 7 ways as a sum of consecutive naturals, for example, 23065001 + ... + 23071262.

It is an arithmetic number, because the mean of its divisors is an integer number (18823595712).

Almost surely, 2144452639453 is an apocalyptic number.

It is an amenable number.

144452639453 is a deficient number, since it is larger than the sum of its proper divisors (6136126243).

144452639453 is a wasteful number, since it uses less digits than its factorization.

144452639453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46136395.

The product of its digits is 6220800, while the sum is 50.

The spelling of 144452639453 in words is "one hundred forty-four billion, four hundred fifty-two million, six hundred thirty-nine thousand, four hundred fifty-three".

Divisors: 1 31 101 3131 46136263 1430224153 4659762563 144452639453