112145503 has 2 divisors, whose sum is σ = 112145504. Its totient is φ = 112145502.

The previous prime is 112145461. The next prime is 112145519. The reversal of 112145503 is 305541211.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 112145503 - 2¹⁷ = 112014431 is a prime.

It is a super-2 number, since 2×112145503² = 25153227686246018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112145573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56072751 + 56072752.

It is an arithmetic number, because the mean of its divisors is an integer number (56072752).

Almost surely, 2^112145503 is an apocalyptic number.

112145503 is a deficient number, since it is larger than the sum of its proper divisors (1).

112145503 is an equidigital number, since it uses as much as digits as its factorization.

112145503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 112145503 is about 10589.8773836150. The cubic root of 112145503 is about 482.2371023458.

Adding to 112145503 its reverse (305541211), we get a palindrome (417686714).

The spelling of 112145503 in words is "one hundred twelve million, one hundred forty-five thousand, five hundred three".