115478330 has 32 divisors (see below), whose sum is σ = 227432448. Its totient is φ = 41867200.

The previous prime is 115478327. The next prime is 115478339. The reversal of 115478330 is 33874511.

Added to its reverse (33874511) it gives a square (149352841 = 12221²).

It is not an unprimeable number, because it can be changed into a prime (115478339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40760 + ... + 43500.

It is an arithmetic number, because the mean of its divisors is an integer number (7107264).

Almost surely, 2^115478330 is an apocalyptic number.

115478330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115478330 is a deficient number, since it is larger than the sum of its proper divisors (111954118).

115478330 is a wasteful number, since it uses less digits than its factorization.

115478330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3142.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 115478330 is about 10746.0844031675. The cubic root of 115478330 is about 486.9677100531.

Adding to 115478330 its reverse (33874511), we get a square (149352841 = 12221²).

The spelling of 115478330 in words is "one hundred fifteen million, four hundred seventy-eight thousand, three hundred thirty".