115430042 has 24 divisors (see below), whose sum is σ = 214276896. Its totient is φ = 45663696.

The previous prime is 115430039. The next prime is 115430057. The reversal of 115430042 is 240034511.

It is a super-2 number, since 2×115430042² = 26648189192243528, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 115429996 and 115430023.

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 11 ways as a sum of consecutive naturals, for example, 22028 + ... + 26759.

It is an arithmetic number, because the mean of its divisors is an integer number (8928204).

Almost surely, 2^115430042 is an apocalyptic number.

115430042 is a deficient number, since it is larger than the sum of its proper divisors (98846854).

115430042 is a wasteful number, since it uses less digits than its factorization.

115430042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48822 (or 48809 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 115430042 is about 10743.8373963868. The cubic root of 115430042 is about 486.8998243723.

Adding to 115430042 its reverse (240034511), we get a palindrome (355464553).

The spelling of 115430042 in words is "one hundred fifteen million, four hundred thirty thousand, forty-two".