155330332 has 12 divisors (see below), whose sum is σ = 271922560. Its totient is φ = 77638176.

The previous prime is 155330327. The next prime is 155330369. The reversal of 155330332 is 233033551.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 155330297 and 155330306.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 11968 + ... + 21304.

Almost surely, 2^155330332 is an apocalyptic number.

It is an amenable number.

155330332 is a deficient number, since it is larger than the sum of its proper divisors (116592228).

155330332 is a wasteful number, since it uses less digits than its factorization.

155330332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13500 (or 13498 counting only the distinct ones).

The product of its (nonzero) digits is 4050, while the sum is 25.

The square root of 155330332 is about 12463.1589895981. The cubic root of 155330332 is about 537.5498646365.

Adding to 155330332 its reverse (233033551), we get a palindrome (388363883).

The spelling of 155330332 in words is "one hundred fifty-five million, three hundred thirty thousand, three hundred thirty-two".