148198198 has 4 divisors (see below), whose sum is σ = 222297300. Its totient is φ = 74099098.

The previous prime is 148198187. The next prime is 148198241. The reversal of 148198198 is 891891841.

148198198 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 891891841 = 367 ⋅2430223.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37049548 + ... + 37049551.

It is an arithmetic number, because the mean of its divisors is an integer number (55574325).

Almost surely, 2^148198198 is an apocalyptic number.

148198198 is a deficient number, since it is larger than the sum of its proper divisors (74099102).

148198198 is an equidigital number, since it uses as much as digits as its factorization.

148198198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74099101.

The product of its digits is 165888, while the sum is 49.

The square root of 148198198 is about 12173.6682228489. The cubic root of 148198198 is about 529.1932641711.

The spelling of 148198198 in words is "one hundred forty-eight million, one hundred ninety-eight thousand, one hundred ninety-eight".