149670198 has 24 divisors (see below), whose sum is σ = 330406128. Its totient is φ = 48948432.

The previous prime is 149670187. The next prime is 149670203. The reversal of 149670198 is 891076941.

It is a happy number.

149670198 is a `hidden beast` number, since 1 + 496 + 70 + 1 + 98 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 77490 + ... + 79397.

It is an arithmetic number, because the mean of its divisors is an integer number (13766922).

Almost surely, 2^149670198 is an apocalyptic number.

149670198 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

149670198 is an abundant number, since it is smaller than the sum of its proper divisors (180735930).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

149670198 is a wasteful number, since it uses less digits than its factorization.

149670198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156948 (or 156945 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 45.

The square root of 149670198 is about 12233.9771946820. The cubic root of 149670198 is about 530.9395911574.

The spelling of 149670198 in words is "one hundred forty-nine million, six hundred seventy thousand, one hundred ninety-eight".