113542045 has 8 divisors (see below), whose sum is σ = 138484440. Its totient is φ = 89344320.

The previous prime is 113542021. The next prime is 113542049. The reversal of 113542045 is 540245311.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 16499844 + 97042201 = 4062^2 + 9851^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 113542045 - 2⁷ = 113541917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113542049) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 185830 + ... + 186439.

It is an arithmetic number, because the mean of its divisors is an integer number (17310555).

Almost surely, 2^113542045 is an apocalyptic number.

It is an amenable number.

113542045 is a deficient number, since it is larger than the sum of its proper divisors (24942395).

113542045 is an equidigital number, since it uses as much as digits as its factorization.

113542045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372335.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 113542045 is about 10655.6109632437. The cubic root of 113542045 is about 484.2306077830.

Adding to 113542045 its reverse (540245311), we get a palindrome (653787356).

The spelling of 113542045 in words is "one hundred thirteen million, five hundred forty-two thousand, forty-five".