115352145 has 12 divisors (see below), whose sum is σ = 199943796. Its totient is φ = 61521120.

The previous prime is 115352143. The next prime is 115352161. The reversal of 115352145 is 541253511.

It can be written as a sum of positive squares in 2 ways, for example, as 15492096 + 99860049 = 3936^2 + 9993^2 .

It is not a de Polignac number, because 115352145 - 2¹ = 115352143 is a prime.

It is a super-2 number, since 2×115352145² = 26612234712202050, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (115352143) 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, 1281646 + ... + 1281735.

It is an arithmetic number, because the mean of its divisors is an integer number (16661983).

Almost surely, 2^115352145 is an apocalyptic number.

115352145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

115352145 is a deficient number, since it is larger than the sum of its proper divisors (84591651).

115352145 is a wasteful number, since it uses less digits than its factorization.

115352145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2563392 (or 2563389 counting only the distinct ones).

The product of its digits is 3000, while the sum is 27.

The square root of 115352145 is about 10740.2115900945. The cubic root of 115352145 is about 486.7902729650.

The spelling of 115352145 in words is "one hundred fifteen million, three hundred fifty-two thousand, one hundred forty-five".