154049 has 8 divisors (see below), whose sum is σ = 179520. Its totient is φ = 129456.

The previous prime is 154043. The next prime is 154057. The reversal of 154049 is 940451.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 154049 - 2¹² = 149953 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 227 + ... + 599.

It is an arithmetic number, because the mean of its divisors is an integer number (22440).

2¹⁵⁴⁰⁴⁹ is an apocalyptic number.

It is an amenable number.

154049 is a deficient number, since it is larger than the sum of its proper divisors (25471).

154049 is an equidigital number, since it uses as much as digits as its factorization.

154049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 154049 is about 392.4907642225. The cubic root of 154049 is about 53.6067684703.

The spelling of 154049 in words is "one hundred fifty-four thousand, forty-nine".