225142237523 has 8 divisors (see below), whose sum is σ = 258883976448. Its totient is φ = 191795139144.

The previous prime is 225142237517. The next prime is 225142237549. The reversal of 225142237523 is 325732241522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 225142237523 - 2¹⁸ = 225141975379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225142237583) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98658911 + ... + 98661192.

It is an arithmetic number, because the mean of its divisors is an integer number (32360497056).

Almost surely, 2^225142237523 is an apocalyptic number.

225142237523 is a deficient number, since it is larger than the sum of its proper divisors (33741738925).

225142237523 is a wasteful number, since it uses less digits than its factorization.

225142237523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197320273.

The product of its digits is 201600, while the sum is 38.

The spelling of 225142237523 in words is "two hundred twenty-five billion, one hundred forty-two million, two hundred thirty-seven thousand, five hundred twenty-three".