225140543 has 4 divisors (see below), whose sum is σ = 232904040. Its totient is φ = 217377048.

The previous prime is 225140533. The next prime is 225140551. The reversal of 225140543 is 345041522.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 225140543 - 2⁶ = 225140479 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 (225140533) 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, 3881705 + ... + 3881762.

It is an arithmetic number, because the mean of its divisors is an integer number (58226010).

Almost surely, 2^225140543 is an apocalyptic number.

225140543 is a deficient number, since it is larger than the sum of its proper divisors (7763497).

225140543 is an equidigital number, since it uses as much as digits as its factorization.

225140543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7763496.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 225140543 is about 15004.6840353271. The cubic root of 225140543 is about 608.3468118529.

The spelling of 225140543 in words is "two hundred twenty-five million, one hundred forty thousand, five hundred forty-three".