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345142245 = 35717193357
BaseRepresentation
bin10100100100100…
…111001111100101
3220001110001011010
4110210213033211
51201324022440
654125332433
711360442420
oct2444471745
9801401133
10345142245
11167907528
1297707119
13566750a6
1433ba49b7
1520479580
hex149273e5

345142245 has 32 divisors (see below), whose sum is σ = 668245248. Its totient is φ = 148497408.

The previous prime is 345142207. The next prime is 345142249. The reversal of 345142245 is 542241543.

It is not a de Polignac number, because 345142245 - 210 = 345141221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345142249) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 94894 + ... + 98463.

It is an arithmetic number, because the mean of its divisors is an integer number (20882664).

Almost surely, 2345142245 is an apocalyptic number.

345142245 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

345142245 is a deficient number, since it is larger than the sum of its proper divisors (323103003).

345142245 is a wasteful number, since it uses less digits than its factorization.

345142245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193389.

The product of its digits is 19200, while the sum is 30.

The square root of 345142245 is about 18578.0043330816. The cubic root of 345142245 is about 701.4542860772.

Adding to 345142245 its reverse (542241543), we get a palindrome (887383788).

The spelling of 345142245 in words is "three hundred forty-five million, one hundred forty-two thousand, two hundred forty-five".

Divisors: 1 3 5 7 15 17 21 35 51 85 105 119 255 357 595 1785 193357 580071 966785 1353499 2900355 3287069 4060497 6767495 9861207 16435345 20302485 23009483 49306035 69028449 115047415 345142245