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145704545655 = 3513763705779
BaseRepresentation
bin1000011110110010101…
…0101110110101110111
3111221002101210211020220
42013230222232311313
54341400330430110
6150534042025423
713345460126514
oct2075452566567
9457071724226
10145704545655
115687a465789
12242a41a8273
1310980691cb6
1470a30cc30b
153bcb947370
hex21ecaaed77

145704545655 has 16 divisors (see below), whose sum is σ = 233144542080. Its totient is φ = 77703334688.

The previous prime is 145704545653. The next prime is 145704545669. The reversal of 145704545655 is 556545407541.

It is a cyclic number.

It is not a de Polignac number, because 145704545655 - 21 = 145704545653 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 145704545598 and 145704545607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145704545653) 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 15 ways as a sum of consecutive naturals, for example, 146445 + ... + 559334.

It is an arithmetic number, because the mean of its divisors is an integer number (14571533880).

Almost surely, 2145704545655 is an apocalyptic number.

145704545655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

145704545655 is a deficient number, since it is larger than the sum of its proper divisors (87439996425).

145704545655 is a wasteful number, since it uses less digits than its factorization.

145704545655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719550.

The product of its (nonzero) digits is 8400000, while the sum is 51.

The spelling of 145704545655 in words is "one hundred forty-five billion, seven hundred four million, five hundred forty-five thousand, six hundred fifty-five".

Divisors: 1 3 5 15 13763 41289 68815 206445 705779 2117337 3528895 10586685 9713636377 29140909131 48568181885 145704545655