149043 has 4 divisors (see below), whose sum is σ = 198728. Its totient is φ = 99360.

The previous prime is 149033. The next prime is 149053. The reversal of 149043 is 340941.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 340941 = 3 ⋅113647.

It is an interprime number because it is at equal distance from previous prime (149033) and next prime (149053).

It is not a de Polignac number, because 149043 - 2⁴ = 149027 is a prime.

It is a D-number.

It is a Duffinian number.

149043 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (149033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24838 + ... + 24843.

It is an arithmetic number, because the mean of its divisors is an integer number (49682).

2¹⁴⁹⁰⁴³ is an apocalyptic number.

149043 is a deficient number, since it is larger than the sum of its proper divisors (49685).

149043 is an equidigital number, since it uses as much as digits as its factorization.

149043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49684.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 149043 is about 386.0608760286. The cubic root of 149043 is about 53.0196912710.

Adding to 149043 its reverse (340941), we get a palindrome (489984).

The spelling of 149043 in words is "one hundred forty-nine thousand, forty-three".