154879 has 4 divisors (see below), whose sum is σ = 157480. Its totient is φ = 152280.

The previous prime is 154877. The next prime is 154883. The reversal of 154879 is 978451.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 978451 = 71 ⋅13781.

It is a cyclic number.

It is not a de Polignac number, because 154879 - 2¹ = 154877 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1209 + ... + 1330.

It is an arithmetic number, because the mean of its divisors is an integer number (39370).

2¹⁵⁴⁸⁷⁹ is an apocalyptic number.

154879 is a deficient number, since it is larger than the sum of its proper divisors (2601).

154879 is an equidigital number, since it uses as much as digits as its factorization.

154879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2600.

The product of its digits is 10080, while the sum is 34.

The square root of 154879 is about 393.5466935447. The cubic root of 154879 is about 53.7028719767.

The spelling of 154879 in words is "one hundred fifty-four thousand, eight hundred seventy-nine".