155055150 has 36 divisors (see below), whose sum is σ = 416582712. Its totient is φ = 41347920.

The previous prime is 155055101. The next prime is 155055163. The reversal of 155055150 is 51550551.

155055150 is a `hidden beast` number, since 1 + 5 + 505 + 5 + 150 = 666.

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 17 ways as a sum of consecutive naturals, for example, 171834 + ... + 172733.

It is an arithmetic number, because the mean of its divisors is an integer number (11571742).

Almost surely, 2^155055150 is an apocalyptic number.

155055150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

155055150 is an abundant number, since it is smaller than the sum of its proper divisors (261527562).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155055150 is a wasteful number, since it uses less digits than its factorization.

155055150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344585 (or 344577 counting only the distinct ones).

The product of its (nonzero) digits is 3125, while the sum is 27.

The square root of 155055150 is about 12452.1142783063. The cubic root of 155055150 is about 537.2322372834.

The spelling of 155055150 in words is "one hundred fifty-five million, fifty-five thousand, one hundred fifty".