115451549 has 2 divisors, whose sum is σ = 115451550. Its totient is φ = 115451548.

The previous prime is 115451537. The next prime is 115451561. The reversal of 115451549 is 945154511.

It is a balanced prime because it is at equal distance from previous prime (115451537) and next prime (115451561).

It can be written as a sum of positive squares in only one way, i.e., 103327225 + 12124324 = 10165^2 + 3482^2 .

It is a cyclic number.

It is not a de Polignac number, because 115451549 - 2²⁰ = 114402973 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (115451569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57725774 + 57725775.

It is an arithmetic number, because the mean of its divisors is an integer number (57725775).

Almost surely, 2^115451549 is an apocalyptic number.

It is an amenable number.

115451549 is a deficient number, since it is larger than the sum of its proper divisors (1).

115451549 is an equidigital number, since it uses as much as digits as its factorization.

115451549 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18000, while the sum is 35.

The square root of 115451549 is about 10744.8382491315. The cubic root of 115451549 is about 486.9300623243.

The spelling of 115451549 in words is "one hundred fifteen million, four hundred fifty-one thousand, five hundred forty-nine".