155194 has 16 divisors (see below), whose sum is σ = 258048. Its totient is φ = 69552.

The previous prime is 155191. The next prime is 155201. The reversal of 155194 is 491551.

155194 = T₆₉ + T₇₀ + ... + T₁₀₇.

It is a nialpdrome in base 11.

It is not an unprimeable number, because it can be changed into a prime (155191) 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, 1159 + ... + 1285.

It is an arithmetic number, because the mean of its divisors is an integer number (16128).

2¹⁵⁵¹⁹⁴ is an apocalyptic number.

155194 is a deficient number, since it is larger than the sum of its proper divisors (102854).

155194 is a wasteful number, since it uses less digits than its factorization.

155194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189.

The product of its digits is 900, while the sum is 25.

The square root of 155194 is about 393.9466969020. The cubic root of 155194 is about 53.7392551084.

The spelling of 155194 in words is "one hundred fifty-five thousand, one hundred ninety-four".