155530005 has 8 divisors (see below), whose sum is σ = 248848032. Its totient is φ = 82949328.

The previous prime is 155529977. The next prime is 155530031. The reversal of 155530005 is 500035551.

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

It is not a de Polignac number, because 155530005 - 2¹⁷ = 155398933 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5184319 + ... + 5184348.

It is an arithmetic number, because the mean of its divisors is an integer number (31106004).

Almost surely, 2^155530005 is an apocalyptic number.

155530005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

155530005 is a deficient number, since it is larger than the sum of its proper divisors (93318027).

155530005 is a wasteful number, since it uses less digits than its factorization.

155530005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10368675.

The product of its (nonzero) digits is 1875, while the sum is 24.

The square root of 155530005 is about 12471.1669462003. The cubic root of 155530005 is about 537.7801013495.

Adding to 155530005 its reverse (500035551), we get a palindrome (655565556).

The spelling of 155530005 in words is "one hundred fifty-five million, five hundred thirty thousand, five".