155434323404 has 12 divisors (see below), whose sum is σ = 272434423128. Its totient is φ = 77595916800.

The previous prime is 155434323389. The next prime is 155434323437. The reversal of 155434323404 is 404323434551.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30308342 + ... + 30313469.

It is an arithmetic number, because the mean of its divisors is an integer number (22702868594).

Almost surely, 2^155434323404 is an apocalyptic number.

It is an amenable number.

155434323404 is a deficient number, since it is larger than the sum of its proper divisors (117000099724).

155434323404 is a wasteful number, since it uses less digits than its factorization.

155434323404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60622456 (or 60622454 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 38.

Adding to 155434323404 its reverse (404323434551), we get a palindrome (559757757955).

The spelling of 155434323404 in words is "one hundred fifty-five billion, four hundred thirty-four million, three hundred twenty-three thousand, four hundred four".