155370228 has 48 divisors (see below), whose sum is σ = 391513920. Its totient is φ = 47672064.

The previous prime is 155370227. The next prime is 155370251. The reversal of 155370228 is 822073551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155370227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64176 + ... + 66552.

It is an arithmetic number, because the mean of its divisors is an integer number (8156540).

Almost surely, 2^155370228 is an apocalyptic number.

It is an amenable number.

155370228 is an abundant number, since it is smaller than the sum of its proper divisors (236143692).

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

155370228 is a wasteful number, since it uses less digits than its factorization.

155370228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2816 (or 2814 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 155370228 is about 12464.7594441289. The cubic root of 155370228 is about 537.5958832371.

The spelling of 155370228 in words is "one hundred fifty-five million, three hundred seventy thousand, two hundred twenty-eight".