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345150145 = 569030029
BaseRepresentation
bin10100100100101…
…001001011000001
3220001110102222201
4110210221023001
51201324301040
654125433201
711360504434
oct2444511301
9801412881
10345150145
1116791245a
129770b801
1356678872
1433ba781b
152047ba9a
hex149292c1

345150145 has 4 divisors (see below), whose sum is σ = 414180180. Its totient is φ = 276120112.

The previous prime is 345150137. The next prime is 345150163. The reversal of 345150145 is 541051543.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 541051543 = 1928476397.

It can be written as a sum of positive squares in 2 ways, for example, as 119159056 + 225991089 = 10916^2 + 15033^2 .

It is a cyclic number.

It is not a de Polignac number, because 345150145 - 23 = 345150137 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34515010 + ... + 34515019.

It is an arithmetic number, because the mean of its divisors is an integer number (103545045).

Almost surely, 2345150145 is an apocalyptic number.

It is an amenable number.

345150145 is a deficient number, since it is larger than the sum of its proper divisors (69030035).

345150145 is an equidigital number, since it uses as much as digits as its factorization.

345150145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69030034.

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 345150145 is about 18578.2169488894. The cubic root of 345150145 is about 701.4596379253.

The spelling of 345150145 in words is "three hundred forty-five million, one hundred fifty thousand, one hundred forty-five".

Divisors: 1 5 69030029 345150145