145198 has 8 divisors (see below), whose sum is σ = 229320. Its totient is φ = 68760.

The previous prime is 145193. The next prime is 145207. The reversal of 145198 is 891541.

It is a happy number.

145198 is nontrivially palindromic in base 11.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (145193) 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, 1873 + ... + 1948.

It is an arithmetic number, because the mean of its divisors is an integer number (28665).

2¹⁴⁵¹⁹⁸ is an apocalyptic number.

145198 is a deficient number, since it is larger than the sum of its proper divisors (84122).

145198 is a wasteful number, since it uses less digits than its factorization.

145198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3842.

The product of its digits is 1440, while the sum is 28.

The square root of 145198 is about 381.0485533367. The cubic root of 145198 is about 52.5597807314.

It can be divided in two parts, 145 and 198, that added together give a palindrome (343).

The spelling of 145198 in words is "one hundred forty-five thousand, one hundred ninety-eight".