155468238 has 8 divisors (see below), whose sum is σ = 310936488. Its totient is φ = 51822744.

The previous prime is 155468237. The next prime is 155468273. The reversal of 155468238 is 832864551.

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

155468238 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 155468238.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155468231) 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 3 ways as a sum of consecutive naturals, for example, 12955681 + ... + 12955692.

It is an arithmetic number, because the mean of its divisors is an integer number (38867061).

Almost surely, 2^155468238 is an apocalyptic number.

155468238 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

155468238 is a wasteful number, since it uses less digits than its factorization.

155468238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25911378.

The product of its digits is 230400, while the sum is 42.

The square root of 155468238 is about 12468.6903081278. The cubic root of 155468238 is about 537.7089008079.

The spelling of 155468238 in words is "one hundred fifty-five million, four hundred sixty-eight thousand, two hundred thirty-eight".