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345863145 = 3523057543
BaseRepresentation
bin10100100111010…
…111001111101001
3220002210200001010
4110213113033221
51202020110040
654153014133
711366534235
oct2447271751
9802720033
10345863145
1116825a111
12979b4349
1356868264
1433d115c5
152056ce80
hex149d73e9

345863145 has 8 divisors (see below), whose sum is σ = 553381056. Its totient is φ = 184460336.

The previous prime is 345863093. The next prime is 345863149. The reversal of 345863145 is 541368543.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 345863145 - 212 = 345859049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (345863149) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 11528757 + ... + 11528786.

It is an arithmetic number, because the mean of its divisors is an integer number (69172632).

Almost surely, 2345863145 is an apocalyptic number.

It is an amenable number.

345863145 is a deficient number, since it is larger than the sum of its proper divisors (207517911).

345863145 is a wasteful number, since it uses less digits than its factorization.

345863145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23057551.

The product of its digits is 172800, while the sum is 39.

The square root of 345863145 is about 18597.3961887142. The cubic root of 345863145 is about 701.9423232457.

The spelling of 345863145 in words is "three hundred forty-five million, eight hundred sixty-three thousand, one hundred forty-five".

Divisors: 1 3 5 15 23057543 69172629 115287715 345863145