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245145334 = 27219312137
BaseRepresentation
bin11101001110010…
…01111011110110
3122002021200011211
432213021323312
51000224122314
640154152034
76034462300
oct1647117366
9562250154
10245145334
11116418355
126a12261a
133ba32b15
14247b4970
15167c59c4
hexe9c9ef6

245145334 has 72 divisors (see below), whose sum is σ = 468656280. Its totient is φ = 95618880.

The previous prime is 245145331. The next prime is 245145343. The reversal of 245145334 is 433541542.

245145334 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a junction number, because it is equal to n+sod(n) for n = 245145296 and 245145305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245145331) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1789314 + ... + 1789450.

It is an arithmetic number, because the mean of its divisors is an integer number (6509115).

Almost surely, 2245145334 is an apocalyptic number.

245145334 is a deficient number, since it is larger than the sum of its proper divisors (223510946).

245145334 is a wasteful number, since it uses less digits than its factorization.

245145334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234 (or 196 counting only the distinct ones).

The product of its digits is 28800, while the sum is 31.

The square root of 245145334 is about 15657.1176785512. The cubic root of 245145334 is about 625.8561782784.

Adding to 245145334 its reverse (433541542), we get a palindrome (678686876).

The spelling of 245145334 in words is "two hundred forty-five million, one hundred forty-five thousand, three hundred thirty-four".

Divisors: 1 2 7 14 19 31 38 49 62 98 133 137 217 266 274 434 589 931 959 961 1178 1519 1862 1918 1922 2603 3038 4123 4247 5206 6713 6727 8246 8494 13426 13454 18221 18259 28861 29729 36442 36518 47089 57722 59458 80693 94178 127547 127813 131657 161386 208103 255094 255626 263314 416206 564851 894691 921599 1129702 1789382 1843198 2501483 3953957 5002966 6451193 7907914 12902386 17510381 35020762 122572667 245145334