115458420 has 192 divisors, whose sum is σ = 410167296. Its totient is φ = 23569920.

The previous prime is 115458403. The next prime is 115458449. The reversal of 115458420 is 24854511.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 309354 + ... + 309726.

It is an arithmetic number, because the mean of its divisors is an integer number (2136288).

Almost surely, 2^115458420 is an apocalyptic number.

115458420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115458420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205083648).

115458420 is an abundant number, since it is smaller than the sum of its proper divisors (294708876).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

115458420 is a wasteful number, since it uses less digits than its factorization.

115458420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470 (or 468 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 30.

The square root of 115458420 is about 10745.1579792947. The cubic root of 115458420 is about 486.9397218745.

The spelling of 115458420 in words is "one hundred fifteen million, four hundred fifty-eight thousand, four hundred twenty".