149598 has 12 divisors (see below), whose sum is σ = 324168. Its totient is φ = 49860.

The previous prime is 149579. The next prime is 149603. The reversal of 149598 is 895941.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

149598 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, 4138 + ... + 4173.

It is an arithmetic number, because the mean of its divisors is an integer number (27014).

2¹⁴⁹⁵⁹⁸ is an apocalyptic number.

149598 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

149598 is an abundant number, since it is smaller than the sum of its proper divisors (174570).

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

149598 is a wasteful number, since it uses less digits than its factorization.

149598 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8319 (or 8316 counting only the distinct ones).

The product of its digits is 12960, while the sum is 36.

The square root of 149598 is about 386.7790066692. The cubic root of 149598 is about 53.0854205774.

It can be divided in two parts, 149 and 598, that added together give a palindrome (747).

The spelling of 149598 in words is "one hundred forty-nine thousand, five hundred ninety-eight".