155673 has 18 divisors (see below), whose sum is σ = 262314. Its totient is φ = 88704.

The previous prime is 155671. The next prime is 155689. The reversal of 155673 is 376551.

155673 is nontrivially palindromic in base 2.

It can be written as a sum of positive squares in only one way, i.e., 127449 + 28224 = 357^2 + 168^2 .

It is not a de Polignac number, because 155673 - 2¹ = 155671 is a prime.

It is a house number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155671) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 265 + ... + 617.

It is an arithmetic number, because the mean of its divisors is an integer number (14573).

2¹⁵⁵⁶⁷³ is an apocalyptic number.

It is an amenable number.

155673 is a deficient number, since it is larger than the sum of its proper divisors (106641).

155673 is a wasteful number, since it uses less digits than its factorization.

155673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373 (or 363 counting only the distinct ones).

The product of its digits is 3150, while the sum is 27.

The square root of 155673 is about 394.5541787892. The cubic root of 155673 is about 53.7944863363.

It can be divided in two parts, 155 and 673, that added together give a palindrome (828).

The spelling of 155673 in words is "one hundred fifty-five thousand, six hundred seventy-three".