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115451143 is a prime number
BaseRepresentation
bin1101110000110…
…10010100000111
322001020112012021
412320122110013
5214023414033
615242304011
72601214153
oct670322407
9261215167
10115451143
115a195175
12327b8007
131abc35b2
1411494063
15a207b2d
hex6e1a507

115451143 has 2 divisors, whose sum is σ = 115451144. Its totient is φ = 115451142.

The previous prime is 115451111. The next prime is 115451159. The reversal of 115451143 is 341154511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 115451143 - 25 = 115451111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115451443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57725571 + 57725572.

It is an arithmetic number, because the mean of its divisors is an integer number (57725572).

Almost surely, 2115451143 is an apocalyptic number.

115451143 is a deficient number, since it is larger than the sum of its proper divisors (1).

115451143 is an equidigital number, since it uses as much as digits as its factorization.

115451143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1200, while the sum is 25.

The square root of 115451143 is about 10744.8193563224. The cubic root of 115451143 is about 486.9294915399.

The spelling of 115451143 in words is "one hundred fifteen million, four hundred fifty-one thousand, one hundred forty-three".