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145790745745 = 5193151078493
BaseRepresentation
bin1000011111000111001…
…1100011110010010001
3111221022102000020112211
42013301303203302101
54342034412330440
6150550401352121
713350554614651
oct2076163436221
9457272006484
10145790745745
1156914091127
1224309038641
13109954b3478
1470b072a361
153bd42c2eea
hex21f1ce3c91

145790745745 has 8 divisors (see below), whose sum is σ = 175855367016. Its totient is φ = 116028281856.

The previous prime is 145790745733. The next prime is 145790745781. The reversal of 145790745745 is 547547097541.

145790745745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 14039169169 + 131751576576 = 118487^2 + 362976^2 .

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 145790745745 - 25 = 145790745713 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 145790745745.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75538282 + ... + 75540211.

It is an arithmetic number, because the mean of its divisors is an integer number (21981920877).

Almost surely, 2145790745745 is an apocalyptic number.

It is an amenable number.

145790745745 is a deficient number, since it is larger than the sum of its proper divisors (30064621271).

145790745745 is a wasteful number, since it uses less digits than its factorization.

145790745745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151078691.

The product of its (nonzero) digits is 24696000, while the sum is 58.

The spelling of 145790745745 in words is "one hundred forty-five billion, seven hundred ninety million, seven hundred forty-five thousand, seven hundred forty-five".

Divisors: 1 5 193 965 151078493 755392465 29158149149 145790745745