155206500 has 48 divisors (see below), whose sum is σ = 451965696. Its totient is φ = 41388000.

The previous prime is 155206489. The next prime is 155206511. The reversal of 155206500 is 5602551.

155206500 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (155206489) and next prime (155206511).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50236 + ... + 53235.

It is an arithmetic number, because the mean of its divisors is an integer number (9415952).

Almost surely, 2^155206500 is an apocalyptic number.

155206500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155206500 is an abundant number, since it is smaller than the sum of its proper divisors (296759196).

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

155206500 is a wasteful number, since it uses less digits than its factorization.

155206500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103493 (or 103481 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 155206500 is about 12458.1900772143. The cubic root of 155206500 is about 537.4069786743.

The spelling of 155206500 in words is "one hundred fifty-five million, two hundred six thousand, five hundred".