198614455 has 16 divisors (see below), whose sum is σ = 262934784. Its totient is φ = 143089920.

The previous prime is 198614431. The next prime is 198614461. The reversal of 198614455 is 554416891.

It is not a de Polignac number, because 198614455 - 2²⁷ = 64396727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34599 + ... + 39928.

It is an arithmetic number, because the mean of its divisors is an integer number (16433424).

Almost surely, 2^198614455 is an apocalyptic number.

198614455 is a deficient number, since it is larger than the sum of its proper divisors (64320329).

198614455 is a wasteful number, since it uses less digits than its factorization.

198614455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74586.

The product of its digits is 172800, while the sum is 43.

The square root of 198614455 is about 14093.0640742175. The cubic root of 198614455 is about 583.4499643438.

The spelling of 198614455 in words is "one hundred ninety-eight million, six hundred fourteen thousand, four hundred fifty-five".