149086198 has 8 divisors (see below), whose sum is σ = 235399320. Its totient is φ = 70619760.

The previous prime is 149086163. The next prime is 149086199. The reversal of 149086198 is 891680941.

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 (149086199) 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, 1961623 + ... + 1961698.

It is an arithmetic number, because the mean of its divisors is an integer number (29424915).

Almost surely, 2^149086198 is an apocalyptic number.

149086198 is a deficient number, since it is larger than the sum of its proper divisors (86313122).

149086198 is a wasteful number, since it uses less digits than its factorization.

149086198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3923342.

The product of its (nonzero) digits is 124416, while the sum is 46.

The square root of 149086198 is about 12210.0859128837. The cubic root of 149086198 is about 530.2481311142.

The spelling of 149086198 in words is "one hundred forty-nine million, eighty-six thousand, one hundred ninety-eight".