155543164 has 24 divisors (see below), whose sum is σ = 314586720. Its totient is φ = 65911296.

The previous prime is 155543161. The next prime is 155543173. The reversal of 155543164 is 461345551.

155543164 is digitally balanced in base 2, base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

155543164 is strictly pandigital in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155543161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28717 + ... + 33700.

It is an arithmetic number, because the mean of its divisors is an integer number (13107780).

Almost surely, 2^155543164 is an apocalyptic number.

155543164 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

155543164 is an abundant number, since it is smaller than the sum of its proper divisors (159043556).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155543164 is a wasteful number, since it uses less digits than its factorization.

155543164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62517 (or 62515 counting only the distinct ones).

The product of its digits is 36000, while the sum is 34.

The square root of 155543164 is about 12471.6945119739. The cubic root of 155543164 is about 537.7952676594.

The spelling of 155543164 in words is "one hundred fifty-five million, five hundred forty-three thousand, one hundred sixty-four".