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145153315549 = 1161921317861
BaseRepresentation
bin1000011100101111001…
…1111101001011011101
3111212122222120102201001
42013023303331023131
54334233222044144
6150403231150301
713326014552614
oct2071363751335
9455588512631
10145153315549
1156617298410
122416b675391
13108c3410938
14704dbdc87b
153b9835ebd4
hex21cbcfd2dd

145153315549 has 8 divisors (see below), whose sum is σ = 158604893280. Its totient is φ = 131744374800.

The previous prime is 145153315507. The next prime is 145153315577. The reversal of 145153315549 is 945513351541.

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 145153315549 - 27 = 145153315421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145153315499 and 145153315508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145153315949) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 10652122 + ... + 10665739.

It is an arithmetic number, because the mean of its divisors is an integer number (19825611660).

Almost surely, 2145153315549 is an apocalyptic number.

It is an amenable number.

145153315549 is a deficient number, since it is larger than the sum of its proper divisors (13451577731).

145153315549 is a wasteful number, since it uses less digits than its factorization.

145153315549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21318491.

The product of its digits is 810000, while the sum is 46.

The spelling of 145153315549 in words is "one hundred forty-five billion, one hundred fifty-three million, three hundred fifteen thousand, five hundred forty-nine".

Divisors: 1 11 619 6809 21317861 234496471 13195755959 145153315549