149498 has 8 divisors (see below), whose sum is σ = 237492. Its totient is φ = 70336.

The previous prime is 149497. The next prime is 149503. The reversal of 149498 is 894941.

It can be written as a sum of positive squares in 2 ways, for example, as 146689 + 2809 = 383^2 + 53^2 .

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

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (149491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2165 + ... + 2232.

2¹⁴⁹⁴⁹⁸ is an apocalyptic number.

149498 is a deficient number, since it is larger than the sum of its proper divisors (87994).

149498 is a wasteful number, since it uses less digits than its factorization.

149498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4416.

The product of its digits is 10368, while the sum is 35.

The square root of 149498 is about 386.6497122720. The cubic root of 149498 is about 53.0735894804.

The spelling of 149498 in words is "one hundred forty-nine thousand, four hundred ninety-eight".