115292542 has 4 divisors (see below), whose sum is σ = 172938816. Its totient is φ = 57646270.

The previous prime is 115292531. The next prime is 115292557. The reversal of 115292542 is 245292511.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28823134 + ... + 28823137.

It is an arithmetic number, because the mean of its divisors is an integer number (43234704).

Almost surely, 2^115292542 is an apocalyptic number.

115292542 is a deficient number, since it is larger than the sum of its proper divisors (57646274).

115292542 is an equidigital number, since it uses as much as digits as its factorization.

115292542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57646273.

The product of its digits is 7200, while the sum is 31.

The square root of 115292542 is about 10737.4364724547. The cubic root of 115292542 is about 486.7064162399.

Subtracting from 115292542 its sum of digits (31), we obtain a palindrome (115292511).

The spelling of 115292542 in words is "one hundred fifteen million, two hundred ninety-two thousand, five hundred forty-two".