149698 has 12 divisors (see below), whose sum is σ = 235170. Its totient is φ = 71456.

The previous prime is 149689. The next prime is 149711. The reversal of 149698 is 896941.

It can be written as a sum of positive squares in 3 ways, for example, as 110889 + 38809 = 333^2 + 197^2 .

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

It is an unprimeable number.

149698 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1638 + ... + 1726.

2¹⁴⁹⁶⁹⁸ is an apocalyptic number.

149698 is a deficient number, since it is larger than the sum of its proper divisors (85472).

149698 is an equidigital number, since it uses as much as digits as its factorization.

149698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149 (or 120 counting only the distinct ones).

The product of its digits is 15552, while the sum is 37.

The square root of 149698 is about 386.9082578597. The cubic root of 149698 is about 53.0972464031.

The spelling of 149698 in words is "one hundred forty-nine thousand, six hundred ninety-eight".