Search a number
-
+
115145077 is a prime number
BaseRepresentation
bin1101101110011…
…11100101110101
322000122222100111
412313033211311
5213434120302
615231543021
72565500635
oct667174565
9260588314
10115145077
1159aa6223
123268aa71
131ab171a8
14114146c5
15a1970d7
hex6dcf975

115145077 has 2 divisors, whose sum is σ = 115145078. Its totient is φ = 115145076.

The previous prime is 115145033. The next prime is 115145083. The reversal of 115145077 is 770541511.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 59582961 + 55562116 = 7719^2 + 7454^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-115145077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115145027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57572538 + 57572539.

It is an arithmetic number, because the mean of its divisors is an integer number (57572539).

Almost surely, 2115145077 is an apocalyptic number.

It is an amenable number.

115145077 is a deficient number, since it is larger than the sum of its proper divisors (1).

115145077 is an equidigital number, since it uses as much as digits as its factorization.

115145077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4900, while the sum is 31.

The square root of 115145077 is about 10730.5674127699. The cubic root of 115145077 is about 486.4988203213.

Adding to 115145077 its reverse (770541511), we get a palindrome (885686588).

The spelling of 115145077 in words is "one hundred fifteen million, one hundred forty-five thousand, seventy-seven".