225001215143 has 4 divisors (see below), whose sum is σ = 225008534448. Its totient is φ = 224993895840.

The previous prime is 225001215107. The next prime is 225001215203. The reversal of 225001215143 is 341512100522.

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 225001215143 - 2⁸ = 225001214887 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 (225001215643) 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, 3613346 + ... + 3675087.

It is an arithmetic number, because the mean of its divisors is an integer number (56252133612).

Almost surely, 2^225001215143 is an apocalyptic number.

225001215143 is a deficient number, since it is larger than the sum of its proper divisors (7319305).

225001215143 is an equidigital number, since it uses as much as digits as its factorization.

225001215143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7319304.

The product of its (nonzero) digits is 2400, while the sum is 26.

Adding to 225001215143 its reverse (341512100522), we get a palindrome (566513315665).

The spelling of 225001215143 in words is "two hundred twenty-five billion, one million, two hundred fifteen thousand, one hundred forty-three".