155079 has 6 divisors (see below), whose sum is σ = 224016. Its totient is φ = 103380.

The previous prime is 155069. The next prime is 155081. The reversal of 155079 is 970551.

It is not a de Polignac number, because 155079 - 2⁵ = 155047 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8607 + ... + 8624.

It is an arithmetic number, because the mean of its divisors is an integer number (37336).

2¹⁵⁵⁰⁷⁹ is an apocalyptic number.

155079 is a deficient number, since it is larger than the sum of its proper divisors (68937).

155079 is a wasteful number, since it uses less digits than its factorization.

155079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17237 (or 17234 counting only the distinct ones).

The product of its (nonzero) digits is 1575, while the sum is 27.

The square root of 155079 is about 393.8007110202. The cubic root of 155079 is about 53.7259780885.

The spelling of 155079 in words is "one hundred fifty-five thousand, seventy-nine".