115451545 has 12 divisors (see below), whose sum is σ = 152282340. Its totient is φ = 83964320.

The previous prime is 115451537. The next prime is 115451549. The reversal of 115451545 is 545154511.

It can be written as a sum of positive squares in 2 ways, for example, as 74183769 + 41267776 = 8613^2 + 6424^2 .

It is not a de Polignac number, because 115451545 - 2³ = 115451537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115451549) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 94810 + ... + 96019.

It is an arithmetic number, because the mean of its divisors is an integer number (12690195).

Almost surely, 2^115451545 is an apocalyptic number.

It is an amenable number.

115451545 is a deficient number, since it is larger than the sum of its proper divisors (36830795).

115451545 is a wasteful number, since it uses less digits than its factorization.

115451545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190856 (or 190845 counting only the distinct ones).

The product of its digits is 10000, while the sum is 31.

The square root of 115451545 is about 10744.8380629956. The cubic root of 115451545 is about 486.9300567008.

It can be divided in two parts, 11 and 5451545, that multiplied together give a palindrome (59966995).

The spelling of 115451545 in words is "one hundred fifteen million, four hundred fifty-one thousand, five hundred forty-five".