198144467 has 4 divisors (see below), whose sum is σ = 204536256. Its totient is φ = 191752680.

The previous prime is 198144461. The next prime is 198144493. The reversal of 198144467 is 764441891.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-198144467 is a prime.

It is a super-3 number, since 3×198144467³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (198144461) 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, 3195848 + ... + 3195909.

It is an arithmetic number, because the mean of its divisors is an integer number (51134064).

Almost surely, 2^198144467 is an apocalyptic number.

198144467 is a deficient number, since it is larger than the sum of its proper divisors (6391789).

198144467 is an equidigital number, since it uses as much as digits as its factorization.

198144467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6391788.

The product of its digits is 193536, while the sum is 44.

The square root of 198144467 is about 14076.3797547523. The cubic root of 198144467 is about 582.9893884994.

The spelling of 198144467 in words is "one hundred ninety-eight million, one hundred forty-four thousand, four hundred sixty-seven".