155020600 has 48 divisors (see below), whose sum is σ = 411915600. Its totient is φ = 53149440.

The previous prime is 155020561. The next prime is 155020609. The reversal of 155020600 is 6020551.

It is a happy number.

155020600 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 (155020609) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53965 + ... + 56764.

It is an arithmetic number, because the mean of its divisors is an integer number (8581575).

Almost surely, 2^155020600 is an apocalyptic number.

155020600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155020600 is an abundant number, since it is smaller than the sum of its proper divisors (256895000).

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

155020600 is a wasteful number, since it uses less digits than its factorization.

155020600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110752 (or 110743 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 155020600 is about 12450.7268864111. The cubic root of 155020600 is about 537.1923315840.

The spelling of 155020600 in words is "one hundred fifty-five million, twenty thousand, six hundred".