155349 has 12 divisors (see below), whose sum is σ = 230412. Its totient is φ = 100800.

The previous prime is 155333. The next prime is 155371. The reversal of 155349 is 943551.

It can be written as a sum of positive squares in 2 ways, for example, as 3249 + 152100 = 57^2 + 390^2 .

It is not a de Polignac number, because 155349 - 2⁴ = 155333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155399) 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 11 ways as a sum of consecutive naturals, for example, 159 + ... + 579.

It is an arithmetic number, because the mean of its divisors is an integer number (19201).

2¹⁵⁵³⁴⁹ is an apocalyptic number.

It is an amenable number.

155349 is a deficient number, since it is larger than the sum of its proper divisors (75063).

155349 is a wasteful number, since it uses less digits than its factorization.

155349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468 (or 465 counting only the distinct ones).

The product of its digits is 2700, while the sum is 27.

The square root of 155349 is about 394.1433749285. The cubic root of 155349 is about 53.7571398484.

The spelling of 155349 in words is "one hundred fifty-five thousand, three hundred forty-nine".