113556143 has 2 divisors, whose sum is σ = 113556144. Its totient is φ = 113556142.

The previous prime is 113556137. The next prime is 113556151. The reversal of 113556143 is 341655311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 113556143 - 2⁴ = 113556127 is a prime.

It is a super-2 number, since 2×113556143² = 25789995226072898, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113556173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56778071 + 56778072.

It is an arithmetic number, because the mean of its divisors is an integer number (56778072).

Almost surely, 2^113556143 is an apocalyptic number.

113556143 is a deficient number, since it is larger than the sum of its proper divisors (1).

113556143 is an equidigital number, since it uses as much as digits as its factorization.

113556143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5400, while the sum is 29.

The square root of 113556143 is about 10656.2724721171. The cubic root of 113556143 is about 484.2506485253.

The spelling of 113556143 in words is "one hundred thirteen million, five hundred fifty-six thousand, one hundred forty-three".