155006155 has 8 divisors (see below), whose sum is σ = 186327792. Its totient is φ = 123791328.

The previous prime is 155006147. The next prime is 155006191. The reversal of 155006155 is 551600551.

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 155006155 - 2³ = 155006147 is a prime.

It is a Duffinian 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, 23472 + ... + 29341.

It is an arithmetic number, because the mean of its divisors is an integer number (23290974).

Almost surely, 2^155006155 is an apocalyptic number.

155006155 is a deficient number, since it is larger than the sum of its proper divisors (31321637).

155006155 is an equidigital number, since it uses as much as digits as its factorization.

155006155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53405.

The product of its (nonzero) digits is 3750, while the sum is 28.

The square root of 155006155 is about 12450.1467862833. The cubic root of 155006155 is about 537.1756456635.

The spelling of 155006155 in words is "one hundred fifty-five million, six thousand, one hundred fifty-five".