Search a number
-
+
3545405145 = 32578786781
BaseRepresentation
bin1101001101010010…
…1001011011011001
3100011002022020112200
43103110221123121
524230110431040
61343450200413
7153600306102
oct32324513331
910132266480
103545405145
11155a31a3a7
1282b423109
134466a6489
14258c1b3a9
1515b3ca630
hexd35296d9

3545405145 has 12 divisors (see below), whose sum is σ = 6145368996. Its totient is φ = 1890882720.

The previous prime is 3545405137. The next prime is 3545405153. The reversal of 3545405145 is 5415045453.

It is an interprime number because it is at equal distance from previous prime (3545405137) and next prime (3545405153).

It can be written as a sum of positive squares in 2 ways, for example, as 1413459216 + 2131945929 = 37596^2 + 46173^2 .

It is not a de Polignac number, because 3545405145 - 23 = 3545405137 is a prime.

It is a Curzon number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 39393346 + ... + 39393435.

It is an arithmetic number, because the mean of its divisors is an integer number (512114083).

Almost surely, 23545405145 is an apocalyptic number.

It is an amenable number.

3545405145 is a deficient number, since it is larger than the sum of its proper divisors (2599963851).

3545405145 is a wasteful number, since it uses less digits than its factorization.

3545405145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78786792 (or 78786789 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 36.

The square root of 3545405145 is about 59543.3047873562. The cubic root of 3545405145 is about 1524.8318574807.

The spelling of 3545405145 in words is "three billion, five hundred forty-five million, four hundred five thousand, one hundred forty-five".

Divisors: 1 3 5 9 15 45 78786781 236360343 393933905 709081029 1181801715 3545405145