198154053 has 16 divisors (see below), whose sum is σ = 294610240. Its totient is φ = 131630832.

The previous prime is 198154031. The next prime is 198154081. The reversal of 198154053 is 350451891.

It is not a de Polignac number, because 198154053 - 2⁸ = 198153797 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 198153999 and 198154017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (198154093) 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 in 15 ways as a sum of consecutive naturals, for example, 5326 + ... + 20607.

It is an arithmetic number, because the mean of its divisors is an integer number (18413140).

Almost surely, 2^198154053 is an apocalyptic number.

It is an amenable number.

198154053 is a deficient number, since it is larger than the sum of its proper divisors (96456187).

198154053 is a wasteful number, since it uses less digits than its factorization.

198154053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26225 (or 26219 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The square root of 198154053 is about 14076.7202501151. The cubic root of 198154053 is about 582.9987897985.

The spelling of 198154053 in words is "one hundred ninety-eight million, one hundred fifty-four thousand, fifty-three".