155330099 has 8 divisors (see below), whose sum is σ = 159332208. Its totient is φ = 151338240.

The previous prime is 155330083. The next prime is 155330117. The reversal of 155330099 is 990033551.

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

It is a cyclic number.

It is not a de Polignac number, because 155330099 - 2⁴ = 155330083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (155330069) 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 7 ways as a sum of consecutive naturals, for example, 35099 + ... + 39275.

It is an arithmetic number, because the mean of its divisors is an integer number (19916526).

Almost surely, 2^155330099 is an apocalyptic number.

155330099 is a deficient number, since it is larger than the sum of its proper divisors (4002109).

155330099 is an equidigital number, since it uses as much as digits as its factorization.

155330099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5125.

The product of its (nonzero) digits is 18225, while the sum is 35.

The square root of 155330099 is about 12463.1496420447. The cubic root of 155330099 is about 537.5495958562.

The spelling of 155330099 in words is "one hundred fifty-five million, three hundred thirty thousand, ninety-nine".