154051 has 4 divisors (see below), whose sum is σ = 155392. Its totient is φ = 152712.

The previous prime is 154043. The next prime is 154057. The reversal of 154051 is 150451.

It is a happy number.

154051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 150451 = 7 ⋅21493.

It is a cyclic number.

It is not a de Polignac number, because 154051 - 2³ = 154043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (154057) 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, 480 + ... + 733.

It is an arithmetic number, because the mean of its divisors is an integer number (38848).

2¹⁵⁴⁰⁵¹ is an apocalyptic number.

154051 is a deficient number, since it is larger than the sum of its proper divisors (1341).

154051 is a wasteful number, since it uses less digits than its factorization.

154051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1340.

The product of its (nonzero) digits is 100, while the sum is 16.

The square root of 154051 is about 392.4933120449. The cubic root of 154051 is about 53.6070004594.

Subtracting from 154051 its reverse (150451), we obtain a square (3600 = 60²).

The spelling of 154051 in words is "one hundred fifty-four thousand, fifty-one".