113156143 has 4 divisors (see below), whose sum is σ = 113228080. Its totient is φ = 113084208.

The previous prime is 113156137. The next prime is 113156149. The reversal of 113156143 is 341651311.

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

It is an interprime number because it is at equal distance from previous prime (113156137) and next prime (113156149).

It is a cyclic number.

It is not a de Polignac number, because 113156143 - 2¹⁷ = 113025071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113156149) 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, 33555 + ... + 36772.

It is an arithmetic number, because the mean of its divisors is an integer number (28307020).

Almost surely, 2^113156143 is an apocalyptic number.

113156143 is a deficient number, since it is larger than the sum of its proper divisors (71937).

113156143 is an equidigital number, since it uses as much as digits as its factorization.

113156143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71936.

The product of its digits is 1080, while the sum is 25.

The square root of 113156143 is about 10637.4876263148. The cubic root of 113156143 is about 483.6813907821.

The spelling of 113156143 in words is "one hundred thirteen million, one hundred fifty-six thousand, one hundred forty-three".