155605150 has 12 divisors (see below), whose sum is σ = 289425672. Its totient is φ = 62242040.

The previous prime is 155605139. The next prime is 155605201. The reversal of 155605150 is 51506551.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1556002 + ... + 1556101.

It is an arithmetic number, because the mean of its divisors is an integer number (24118806).

Almost surely, 2^155605150 is an apocalyptic number.

155605150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

155605150 is a deficient number, since it is larger than the sum of its proper divisors (133820522).

155605150 is a wasteful number, since it uses less digits than its factorization.

155605150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3112115 (or 3112110 counting only the distinct ones).

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

The square root of 155605150 is about 12474.1793317236. The cubic root of 155605150 is about 537.8666976714.

The spelling of 155605150 in words is "one hundred fifty-five million, six hundred five thousand, one hundred fifty".