155029600 has 144 divisors (see below), whose sum is σ = 419973120. Its totient is φ = 55411200.

The previous prime is 155029597. The next prime is 155029601. The reversal of 155029600 is 6920551.

155029600 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155029601) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 695089 + ... + 695311.

It is an arithmetic number, because the mean of its divisors is an integer number (2916480).

Almost surely, 2^155029600 is an apocalyptic number.

155029600 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 155029600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (209986560).

155029600 is an abundant number, since it is smaller than the sum of its proper divisors (264943520).

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

155029600 is a wasteful number, since it uses less digits than its factorization.

155029600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333 (or 320 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 155029600 is about 12451.0883058470. The cubic root of 155029600 is about 537.2027272722.

The spelling of 155029600 in words is "one hundred fifty-five million, twenty-nine thousand, six hundred".