115145519 has 2 divisors, whose sum is σ = 115145520. Its totient is φ = 115145518.

The previous prime is 115145489. The next prime is 115145549. The reversal of 115145519 is 915541511.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (115145489) and next prime (115145549).

It is a cyclic number.

It is not a de Polignac number, because 115145519 - 2¹² = 115141423 is a prime.

It is a super-2 number, since 2×115145519² = 26516981091558722, which contains 22 as substring.

It is equal to p_6580508 and since 115145519 and 6580508 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115145549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57572759 + 57572760.

It is an arithmetic number, because the mean of its divisors is an integer number (57572760).

Almost surely, 2^115145519 is an apocalyptic number.

115145519 is a deficient number, since it is larger than the sum of its proper divisors (1).

115145519 is an equidigital number, since it uses as much as digits as its factorization.

115145519 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4500, while the sum is 32.

The square root of 115145519 is about 10730.5880081196. The cubic root of 115145519 is about 486.4994428177.

The spelling of 115145519 in words is "one hundred fifteen million, one hundred forty-five thousand, five hundred nineteen".