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1345022465 = 5299276017
BaseRepresentation
bin101000000101011…
…0110101000000001
310110201220012221212
41100022312220001
510223311204330
6341244255505
745221334203
oct12012665001
93421805855
101345022465
11630259316
12316541595
1318586c8a7
14ca8c0773
157d135295
hex502b6a01

1345022465 has 8 divisors (see below), whose sum is σ = 1669683240. Its totient is φ = 1038913792.

The previous prime is 1345022461. The next prime is 1345022477. The reversal of 1345022465 is 5642205431.

It can be written as a sum of positive squares in 4 ways, for example, as 135582736 + 1209439729 = 11644^2 + 34777^2 .

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 1345022465 - 22 = 1345022461 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1345022461) 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, 4637864 + ... + 4638153.

It is an arithmetic number, because the mean of its divisors is an integer number (208710405).

Almost surely, 21345022465 is an apocalyptic number.

It is an amenable number.

1345022465 is a deficient number, since it is larger than the sum of its proper divisors (324660775).

1345022465 is an equidigital number, since it uses as much as digits as its factorization.

1345022465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9276051.

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 1345022465 is about 36674.5479181407. The cubic root of 1345022465 is about 1103.8494511441.

Adding to 1345022465 its reverse (5642205431), we get a palindrome (6987227896).

The spelling of 1345022465 in words is "one billion, three hundred forty-five million, twenty-two thousand, four hundred sixty-five".

Divisors: 1 5 29 145 9276017 46380085 269004493 1345022465