155379 has 16 divisors (see below), whose sum is σ = 243200. Its totient is φ = 88200.

The previous prime is 155377. The next prime is 155381. The reversal of 155379 is 973551.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (155377) and next prime (155381).

It is not a de Polignac number, because 155379 - 2¹ = 155377 is a prime.

It is a Duffinian number.

Its product of digits (4725) is a multiple of the sum of its prime factors (175).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155371) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 954 + ... + 1104.

It is an arithmetic number, because the mean of its divisors is an integer number (15200).

2¹⁵⁵³⁷⁹ is an apocalyptic number.

155379 is a deficient number, since it is larger than the sum of its proper divisors (87821).

155379 is an equidigital number, since it uses as much as digits as its factorization.

155379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175 (or 161 counting only the distinct ones).

The product of its digits is 4725, while the sum is 30.

The square root of 155379 is about 394.1814303084. The cubic root of 155379 is about 53.7606000367.

The spelling of 155379 in words is "one hundred fifty-five thousand, three hundred seventy-nine".