149046198 has 16 divisors (see below), whose sum is σ = 340677120. Its totient is φ = 42584616.

The previous prime is 149046181. The next prime is 149046199. The reversal of 149046198 is 891640941.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 3548719 = 149046198 / (1 + 4 + 9 + 0 + 4 + 6 + 1 + 9 + 8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149046199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1774318 + ... + 1774401.

It is an arithmetic number, because the mean of its divisors is an integer number (21292320).

Almost surely, 2^149046198 is an apocalyptic number.

149046198 is an abundant number, since it is smaller than the sum of its proper divisors (191630922).

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

149046198 is a wasteful number, since it uses less digits than its factorization.

149046198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3548731.

The product of its (nonzero) digits is 62208, while the sum is 42.

The square root of 149046198 is about 12208.4478128876. The cubic root of 149046198 is about 530.2007048094.

The spelling of 149046198 in words is "one hundred forty-nine million, forty-six thousand, one hundred ninety-eight".