149041 has 4 divisors (see below), whose sum is σ = 150592. Its totient is φ = 147492.

The previous prime is 149033. The next prime is 149053. The reversal of 149041 is 140941.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 140941 = 97 ⋅1453.

It is a cyclic number.

It is not a de Polignac number, because 149041 - 2³ = 149033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (149011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 621 + ... + 826.

It is an arithmetic number, because the mean of its divisors is an integer number (37648).

2¹⁴⁹⁰⁴¹ is an apocalyptic number.

It is an amenable number.

149041 is a deficient number, since it is larger than the sum of its proper divisors (1551).

149041 is a wasteful number, since it uses less digits than its factorization.

149041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1550.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 149041 is about 386.0582857549. The cubic root of 149041 is about 53.0194541138.

Adding to 149041 its reverse (140941), we get a palindrome (289982).

Subtracting from 149041 its reverse (140941), we obtain a square (8100 = 90²).

The spelling of 149041 in words is "one hundred forty-nine thousand, forty-one".