155009600 has 84 divisors (see below), whose sum is σ = 401574000. Its totient is φ = 58728960.

The previous prime is 155009597. The next prime is 155009623. The reversal of 155009600 is 6900551.

It is a self number, because there is not a number n which added to its sum of digits gives 155009600.

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, 27851 + ... + 32949.

Almost surely, 2^155009600 is an apocalyptic number.

155009600 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 155009600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (200787000).

155009600 is an abundant number, since it is smaller than the sum of its proper divisors (246564400).

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

155009600 is a wasteful number, since it uses less digits than its factorization.

155009600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5140 (or 5125 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 26.

The square root of 155009600 is about 12450.2851372971. The cubic root of 155009600 is about 537.1796251966.

The spelling of 155009600 in words is "one hundred fifty-five million, nine thousand, six hundred".