115045521 has 4 divisors (see below), whose sum is σ = 153394032. Its totient is φ = 76697012.

The previous prime is 115045507. The next prime is 115045529. The reversal of 115045521 is 125540511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 115045521 - 2¹⁴ = 115029137 is a prime.

It is a super-2 number, since 2×115045521² = 26470943804322882, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 115045491 and 115045500.

It is not an unprimeable number, because it can be changed into a prime (115045529) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19174251 + ... + 19174256.

It is an arithmetic number, because the mean of its divisors is an integer number (38348508).

Almost surely, 2^115045521 is an apocalyptic number.

It is an amenable number.

115045521 is a deficient number, since it is larger than the sum of its proper divisors (38348511).

115045521 is an equidigital number, since it uses as much as digits as its factorization.

115045521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38348510.

The product of its (nonzero) digits is 1000, while the sum is 24.

The square root of 115045521 is about 10725.9275123413. The cubic root of 115045521 is about 486.3585687263.

The spelling of 115045521 in words is "one hundred fifteen million, forty-five thousand, five hundred twenty-one".