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115243043 is a prime number
BaseRepresentation
bin1101101111001…
…11100000100011
322000211221201212
412313213200203
5214000234133
615234020335
72566356356
oct667474043
9260757655
10115243043
115a062893
12327176ab
131ab4c966
141143c29d
15a1b6148
hex6de7823

115243043 has 2 divisors, whose sum is σ = 115243044. Its totient is φ = 115243042.

The previous prime is 115243039. The next prime is 115243057. The reversal of 115243043 is 340342511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 115243043 - 22 = 115243039 is a prime.

It is not a weakly prime, because it can be changed into another prime (115243003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57621521 + 57621522.

It is an arithmetic number, because the mean of its divisors is an integer number (57621522).

Almost surely, 2115243043 is an apocalyptic number.

115243043 is a deficient number, since it is larger than the sum of its proper divisors (1).

115243043 is an equidigital number, since it uses as much as digits as its factorization.

115243043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 115243043 is about 10735.1312521087. The cubic root of 115243043 is about 486.6367530768.

Adding to 115243043 its reverse (340342511), we get a palindrome (455585554).

The spelling of 115243043 in words is "one hundred fifteen million, two hundred forty-three thousand, forty-three".