155894 has 8 divisors (see below), whose sum is σ = 244080. Its totient is φ = 74536.

The previous prime is 155893. The next prime is 155921. The reversal of 155894 is 498551.

155894 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 155894.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155891) 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, 1649 + ... + 1740.

It is an arithmetic number, because the mean of its divisors is an integer number (30510).

2¹⁵⁵⁸⁹⁴ is an apocalyptic number.

155894 is a deficient number, since it is larger than the sum of its proper divisors (88186).

155894 is a wasteful number, since it uses less digits than its factorization.

155894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3414.

The product of its digits is 7200, while the sum is 32.

The square root of 155894 is about 394.8341423940. The cubic root of 155894 is about 53.8199306117.

It can be divided in two parts, 15 and 5894, that multiplied together give a triangular number (88410 = T₄₂₀).

The spelling of 155894 in words is "one hundred fifty-five thousand, eight hundred ninety-four".