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345125545 = 5161342793
BaseRepresentation
bin10100100100100…
…011001010101001
3220001102012020121
4110210203022221
51201323004140
654125123241
711360342632
oct2444431251
9801365217
10345125545
111678a5a26
12976b9521
135666a5cb
1433b9c889
152047464a
hex149232a9

345125545 has 8 divisors (see below), whose sum is σ = 414417096. Its totient is φ = 275922816.

The previous prime is 345125527. The next prime is 345125587. The reversal of 345125545 is 545521543.

It can be written as a sum of positive squares in 4 ways, for example, as 51380224 + 293745321 = 7168^2 + 17139^2 .

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 345125545 - 221 = 343028393 is a prime.

It is a super-2 number, since 2×3451255452 = 238223283623094050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 345125545.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13332 + ... + 29461.

It is an arithmetic number, because the mean of its divisors is an integer number (51802137).

Almost surely, 2345125545 is an apocalyptic number.

It is an amenable number.

345125545 is a deficient number, since it is larger than the sum of its proper divisors (69291551).

345125545 is a wasteful number, since it uses less digits than its factorization.

345125545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44411.

The product of its digits is 60000, while the sum is 34.

The square root of 345125545 is about 18577.5548714033. The cubic root of 345125545 is about 701.4429724080.

The spelling of 345125545 in words is "three hundred forty-five million, one hundred twenty-five thousand, five hundred forty-five".

Divisors: 1 5 1613 8065 42793 213965 69025109 345125545