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345244145 = 5233002123
BaseRepresentation
bin10100100101000…
…000000111110001
3220001122012221012
4110211000013301
51201340303040
654131440305
711361345461
oct2445000761
9801565835
10345244145
11167977044
1297756095
13566ac59c
1433bcdba1
1520499865
hex149401f1

345244145 has 8 divisors (see below), whose sum is σ = 432305856. Its totient is φ = 264186736.

The previous prime is 345244139. The next prime is 345244147. The reversal of 345244145 is 541442543.

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 345244145 - 210 = 345243121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345244147) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1500947 + ... + 1501176.

It is an arithmetic number, because the mean of its divisors is an integer number (54038232).

Almost surely, 2345244145 is an apocalyptic number.

It is an amenable number.

345244145 is a deficient number, since it is larger than the sum of its proper divisors (87061711).

345244145 is a wasteful number, since it uses less digits than its factorization.

345244145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3002151.

The product of its digits is 38400, while the sum is 32.

The square root of 345244145 is about 18580.7466211668. The cubic root of 345244145 is about 701.5233118770.

Adding to 345244145 its reverse (541442543), we get a palindrome (886686688).

The spelling of 345244145 in words is "three hundred forty-five million, two hundred forty-four thousand, one hundred forty-five".

Divisors: 1 5 23 115 3002123 15010615 69048829 345244145