155346243 has 16 divisors (see below), whose sum is σ = 230754720. Its totient is φ = 92300544.

The previous prime is 155346211. The next prime is 155346259. The reversal of 155346243 is 342643551.

It is not a de Polignac number, because 155346243 - 2⁵ = 155346211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (155346283) 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 15 ways as a sum of consecutive naturals, for example, 67546 + ... + 69807.

It is an arithmetic number, because the mean of its divisors is an integer number (14422170).

Almost surely, 2^155346243 is an apocalyptic number.

155346243 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

155346243 is a deficient number, since it is larger than the sum of its proper divisors (75408477).

155346243 is a wasteful number, since it uses less digits than its factorization.

155346243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137398.

The product of its digits is 43200, while the sum is 33.

The square root of 155346243 is about 12463.7972945648. The cubic root of 155346243 is about 537.5682183471.

Adding to 155346243 its reverse (342643551), we get a palindrome (497989794).

The spelling of 155346243 in words is "one hundred fifty-five million, three hundred forty-six thousand, two hundred forty-three".