155469 has 8 divisors (see below), whose sum is σ = 214560. Its totient is φ = 100016.

The previous prime is 155461. The next prime is 155473. The reversal of 155469 is 964551.

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

It is a cyclic number.

It is not a de Polignac number, because 155469 - 2³ = 155461 is a prime.

It is a super-2 number, since 2×155469² = 48341219922, which contains 22 as substring.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 155469.

It is not an unprimeable number, because it can be changed into a prime (155461) 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 7 ways as a sum of consecutive naturals, for example, 807 + ... + 980.

It is an arithmetic number, because the mean of its divisors is an integer number (26820).

2¹⁵⁵⁴⁶⁹ is an apocalyptic number.

It is an amenable number.

155469 is a deficient number, since it is larger than the sum of its proper divisors (59091).

155469 is a wasteful number, since it uses less digits than its factorization.

155469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1819.

The product of its digits is 5400, while the sum is 30.

The square root of 155469 is about 394.2955744109. The cubic root of 155469 is about 53.7709779301.

The spelling of 155469 in words is "one hundred fifty-five thousand, four hundred sixty-nine".