155003200 has 84 divisors (see below), whose sum is σ = 416125152. Its totient is φ = 56358400.

The previous prime is 155003183. The next prime is 155003213. The reversal of 155003200 is 2300551.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 13197 + ... + 22003.

Almost surely, 2^155003200 is an apocalyptic number.

155003200 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 155003200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208062576).

155003200 is an abundant number, since it is smaller than the sum of its proper divisors (261121952).

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

155003200 is a wasteful number, since it uses less digits than its factorization.

155003200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8840 (or 8825 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 16.

The square root of 155003200 is about 12450.0281124181. The cubic root of 155003200 is about 537.1722321127.

Adding to 155003200 its reverse (2300551), we get a palindrome (157303751).

The spelling of 155003200 in words is "one hundred fifty-five million, three thousand, two hundred".