149193 has 18 divisors (see below), whose sum is σ = 238602. Its totient is φ = 89760.

The previous prime is 149183. The next prime is 149197. The reversal of 149193 is 391941.

It can be written as a sum of positive squares in only one way, i.e., 131769 + 17424 = 363^2 + 132^2 .

It is not a de Polignac number, because 149193 - 2⁵ = 149161 is a prime.

149193 is a lucky number.

It is a nialpdrome in base 8 and base 11.

It is a zygodrome in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149197) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1021 + ... + 1157.

2¹⁴⁹¹⁹³ is an apocalyptic number.

It is an amenable number.

149193 is a deficient number, since it is larger than the sum of its proper divisors (89409).

149193 is a wasteful number, since it uses less digits than its factorization.

149193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165 (or 151 counting only the distinct ones).

The product of its digits is 972, while the sum is 27.

The square root of 149193 is about 386.2550970537. The cubic root of 149193 is about 53.0374720170.

It can be divided in two parts, 1 and 49193, that added together give a palindrome (49194).

The spelling of 149193 in words is "one hundred forty-nine thousand, one hundred ninety-three".