155536230 has 64 divisors (see below), whose sum is σ = 397882368. Its totient is φ = 38776320.

The previous prime is 155536229. The next prime is 155536231. The reversal of 155536230 is 32635551.

It is an interprime number because it is at equal distance from previous prime (155536229) and next prime (155536231).

It is a super-2 number, since 2×155536230² = 48383037685225800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155536231) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 82195 + ... + 84065.

It is an arithmetic number, because the mean of its divisors is an integer number (6216912).

Almost surely, 2^155536230 is an apocalyptic number.

155536230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 155536230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (198941184).

155536230 is an abundant number, since it is smaller than the sum of its proper divisors (242346138).

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

155536230 is a wasteful number, since it uses less digits than its factorization.

155536230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2061.

The product of its (nonzero) digits is 13500, while the sum is 30.

The square root of 155536230 is about 12471.4165193854. The cubic root of 155536230 is about 537.7872760347.

The spelling of 155536230 in words is "one hundred fifty-five million, five hundred thirty-six thousand, two hundred thirty".