204513225142 has 16 divisors (see below), whose sum is σ = 325355327712. Its totient is φ = 96207217920.

The previous prime is 204513225139. The next prime is 204513225173. The reversal of 204513225142 is 241522315402.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36439323 + ... + 36444934.

It is an arithmetic number, because the mean of its divisors is an integer number (20334707982).

Almost surely, 2^204513225142 is an apocalyptic number.

204513225142 is a deficient number, since it is larger than the sum of its proper divisors (120842102570).

204513225142 is a wasteful number, since it uses less digits than its factorization.

204513225142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72884343.

The product of its (nonzero) digits is 19200, while the sum is 31.

The spelling of 204513225142 in words is "two hundred four billion, five hundred thirteen million, two hundred twenty-five thousand, one hundred forty-two".