154479 has 16 divisors (see below), whose sum is σ = 235872. Its totient is φ = 89088.

The previous prime is 154459. The next prime is 154487. The reversal of 154479 is 974451.

It is a happy number.

It is not a de Polignac number, because 154479 - 2⁷ = 154351 is a prime.

It is a super-2 number, since 2×154479² = 47727522882, which contains 22 as substring.

It is a plaindrome in base 8.

It is a nialpdrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (154409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 547 + ... + 779.

It is an arithmetic number, because the mean of its divisors is an integer number (14742).

2¹⁵⁴⁴⁷⁹ is an apocalyptic number.

154479 is a deficient number, since it is larger than the sum of its proper divisors (81393).

154479 is a wasteful number, since it uses less digits than its factorization.

154479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266.

The product of its digits is 5040, while the sum is 30.

The square root of 154479 is about 393.0381660857. The cubic root of 154479 is about 53.6566000091.

Subtracting from 154479 its sum of digits (30), we obtain a square (154449 = 393²).

The spelling of 154479 in words is "one hundred fifty-four thousand, four hundred seventy-nine".