181473 has 8 divisors (see below), whose sum is σ = 243936. Its totient is φ = 120000.

The previous prime is 181459. The next prime is 181499. The reversal of 181473 is 374181.

181473 is nontrivially palindromic in base 15.

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

It is not a de Polignac number, because 181473 - 2⁴ = 181457 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 181473.

It is not an unprimeable number, because it can be changed into a prime (181273) 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, 598 + ... + 848.

It is an arithmetic number, because the mean of its divisors is an integer number (30492).

2¹⁸¹⁴⁷³ is an apocalyptic number.

It is an amenable number.

181473 is a deficient number, since it is larger than the sum of its proper divisors (62463).

181473 is a wasteful number, since it uses less digits than its factorization.

181473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495.

The product of its digits is 672, while the sum is 24.

The square root of 181473 is about 425.9964788587. The cubic root of 181473 is about 56.6157597405.

The spelling of 181473 in words is "one hundred eighty-one thousand, four hundred seventy-three".