115220453 has 4 divisors (see below), whose sum is σ = 117672000. Its totient is φ = 112768908.

The previous prime is 115220447. The next prime is 115220461. The reversal of 115220453 is 354022511.

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 115220453 - 2⁸ = 115220197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115220423) 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, 1225703 + ... + 1225796.

It is an arithmetic number, because the mean of its divisors is an integer number (29418000).

Almost surely, 2^115220453 is an apocalyptic number.

It is an amenable number.

115220453 is a deficient number, since it is larger than the sum of its proper divisors (2451547).

115220453 is an equidigital number, since it uses as much as digits as its factorization.

115220453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2451546.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 115220453 is about 10734.0790475942. The cubic root of 115220453 is about 486.6049540709.

Adding to 115220453 its reverse (354022511), we get a palindrome (469242964).

The spelling of 115220453 in words is "one hundred fifteen million, two hundred twenty thousand, four hundred fifty-three".