155407104 has 108 divisors (see below), whose sum is σ = 460439616. Its totient is φ = 50374656.

The previous prime is 155407079. The next prime is 155407127. The reversal of 155407104 is 401704551.

It is a happy number.

155407104 is a `hidden beast` number, since 1 + 554 + 0 + 7 + 104 = 666.

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, 84337 + ... + 86159.

Almost surely, 2^155407104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 155407104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (230219808).

155407104 is an abundant number, since it is smaller than the sum of its proper divisors (305032512).

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

155407104 is a wasteful number, since it uses less digits than its factorization.

155407104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1882 (or 1865 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 27.

The square root of 155407104 is about 12466.2385666247. The cubic root of 155407104 is about 537.6384113711.

The spelling of 155407104 in words is "one hundred fifty-five million, four hundred seven thousand, one hundred four".