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2145145183 is a prime number
BaseRepresentation
bin111111111011100…
…0101000101011111
312112111110122222121
41333313011011133
513343124121213
6552505523411
7104105301406
oct17767050537
95474418877
102145145183
11a00973365
124ba4a3567
1328256659c
14164c7c63d
15c84d388d
hex7fdc515f

2145145183 has 2 divisors, whose sum is σ = 2145145184. Its totient is φ = 2145145182.

The previous prime is 2145145157. The next prime is 2145145199. The reversal of 2145145183 is 3815415412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2145145183 - 25 = 2145145151 is a prime.

It is a super-2 number, since 2×21451451832 = 9203295712296206978, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2145145883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1072572591 + 1072572592.

It is an arithmetic number, because the mean of its divisors is an integer number (1072572592).

Almost surely, 22145145183 is an apocalyptic number.

2145145183 is a deficient number, since it is larger than the sum of its proper divisors (1).

2145145183 is an equidigital number, since it uses as much as digits as its factorization.

2145145183 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19200, while the sum is 34.

The square root of 2145145183 is about 46315.7120532547. The cubic root of 2145145183 is about 1289.6906862102.

The spelling of 2145145183 in words is "two billion, one hundred forty-five million, one hundred forty-five thousand, one hundred eighty-three".