155532300 has 144 divisors (see below), whose sum is σ = 561130752. Its totient is φ = 32313600.

The previous prime is 155532287. The next prime is 155532313. The reversal of 155532300 is 3235551.

It is an interprime number because it is at equal distance from previous prime (155532287) and next prime (155532313).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19734 + ... + 26466.

Almost surely, 2^155532300 is an apocalyptic number.

155532300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 155532300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (280565376).

155532300 is an abundant number, since it is smaller than the sum of its proper divisors (405598452).

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

155532300 is a wasteful number, since it uses less digits than its factorization.

155532300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6768 (or 6761 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 24.

The square root of 155532300 is about 12471.2589581004. The cubic root of 155532300 is about 537.7827464967.

Adding to 155532300 its reverse (3235551), we get a palindrome (158767851).

The spelling of 155532300 in words is "one hundred fifty-five million, five hundred thirty-two thousand, three hundred".