155233338 has 16 divisors (see below), whose sum is σ = 334348896. Its totient is φ = 47764080.

The previous prime is 155233313. The next prime is 155233357. The reversal of 155233338 is 833332551.

It is a junction number, because it is equal to n+sod(n) for n = 155233299 and 155233308.

It is an unprimeable number.

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, 995008 + ... + 995163.

It is an arithmetic number, because the mean of its divisors is an integer number (20896806).

Almost surely, 2^155233338 is an apocalyptic number.

155233338 is an abundant number, since it is smaller than the sum of its proper divisors (179115558).

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

155233338 is a wasteful number, since it uses less digits than its factorization.

155233338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1990189.

The product of its digits is 32400, while the sum is 33.

The square root of 155233338 is about 12459.2671534083. The cubic root of 155233338 is about 537.4379526719.

Adding to 155233338 its reverse (833332551), we get a palindrome (988565889).

The spelling of 155233338 in words is "one hundred fifty-five million, two hundred thirty-three thousand, three hundred thirty-eight".