149241 has 4 divisors (see below), whose sum is σ = 198992. Its totient is φ = 99492.

The previous prime is 149239. The next prime is 149249. The reversal of 149241 is 142941.

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.

It is not a de Polignac number, because 149241 - 2¹ = 149239 is a prime.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (149249) 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, 24871 + ... + 24876.

It is an arithmetic number, because the mean of its divisors is an integer number (49748).

2¹⁴⁹²⁴¹ is an apocalyptic number.

It is an amenable number.

149241 is a deficient number, since it is larger than the sum of its proper divisors (49751).

149241 is an equidigital number, since it uses as much as digits as its factorization.

149241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49750.

The product of its digits is 288, while the sum is 21.

The square root of 149241 is about 386.3172271592. The cubic root of 149241 is about 53.0431593385.

The spelling of 149241 in words is "one hundred forty-nine thousand, two hundred forty-one".