155146800 has 60 divisors (see below), whose sum is σ = 496990760. Its totient is φ = 41372160.

The previous prime is 155146787. The next prime is 155146843. The reversal of 155146800 is 8641551.

155146800 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63445 + ... + 65844.

Almost surely, 2^155146800 is an apocalyptic number.

155146800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

155146800 is an abundant number, since it is smaller than the sum of its proper divisors (341843960).

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

155146800 is a wasteful number, since it uses less digits than its factorization.

155146800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129310 (or 129299 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 30.

The square root of 155146800 is about 12455.7938325905. The cubic root of 155146800 is about 537.3380655144.

The spelling of 155146800 in words is "one hundred fifty-five million, one hundred forty-six thousand, eight hundred".