155033200 has 120 divisors (see below), whose sum is σ = 450855072. Its totient is φ = 50012160.

The previous prime is 155033171. The next prime is 155033267. The reversal of 155033200 is 2330551.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45972 + ... + 49228.

Almost surely, 2^155033200 is an apocalyptic number.

155033200 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 155033200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (225427536).

155033200 is an abundant number, since it is smaller than the sum of its proper divisors (295821872).

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

155033200 is a wasteful number, since it uses less digits than its factorization.

155033200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3299 (or 3288 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 19.

The square root of 155033200 is about 12451.2328706839. The cubic root of 155033200 is about 537.2068854347.

Adding to 155033200 its reverse (2330551), we get a palindrome (157363751).

The spelling of 155033200 in words is "one hundred fifty-five million, thirty-three thousand, two hundred".