113042451 has 4 divisors (see below), whose sum is σ = 150723272. Its totient is φ = 75361632.

The previous prime is 113042441. The next prime is 113042477. The reversal of 113042451 is 154240311.

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

It is not a de Polignac number, because 113042451 - 2⁷ = 113042323 is a prime.

It is a super-3 number, since 3×113042451³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113042411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18840406 + ... + 18840411.

It is an arithmetic number, because the mean of its divisors is an integer number (37680818).

Almost surely, 2^113042451 is an apocalyptic number.

113042451 is a deficient number, since it is larger than the sum of its proper divisors (37680821).

113042451 is an equidigital number, since it uses as much as digits as its factorization.

113042451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37680820.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 113042451 is about 10632.1423523202. The cubic root of 113042451 is about 483.5193458692.

Adding to 113042451 its reverse (154240311), we get a palindrome (267282762).

The spelling of 113042451 in words is "one hundred thirteen million, forty-two thousand, four hundred fifty-one".