155155300 has 36 divisors (see below), whose sum is σ = 337395940. Its totient is φ = 61931520.

The previous prime is 155155271. The next prime is 155155313. The reversal of 155155300 is 3551551.

It can be written as a sum of positive squares in 6 ways, for example, as 1196836 + 153958464 = 1094^2 + 12408^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56356 + ... + 59044.

Almost surely, 2^155155300 is an apocalyptic number.

155155300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155155300 is an abundant number, since it is smaller than the sum of its proper divisors (182240640).

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

155155300 is a wasteful number, since it uses less digits than its factorization.

155155300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3280 (or 3273 counting only the distinct ones).

The product of its (nonzero) digits is 1875, while the sum is 25.

The square root of 155155300 is about 12456.1350345924. The cubic root of 155155300 is about 537.3478783500.

The spelling of 155155300 in words is "one hundred fifty-five million, one hundred fifty-five thousand, three hundred".