155443104 has 192 divisors, whose sum is σ = 506217600. Its totient is φ = 46116864.

The previous prime is 155443049. The next prime is 155443129. The reversal of 155443104 is 401344551.

It is a happy number.

155443104 is a `hidden beast` number, since 1 + 554 + 4 + 3 + 104 = 666.

155443104 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 278794 + ... + 279350.

It is an arithmetic number, because the mean of its divisors is an integer number (2636550).

Almost surely, 2^155443104 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 155443104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (253108800).

155443104 is an abundant number, since it is smaller than the sum of its proper divisors (350774496).

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

155443104 is a wasteful number, since it uses less digits than its factorization.

155443104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612 (or 598 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 155443104 is about 12467.6823828649. The cubic root of 155443104 is about 537.6799227477.

Adding to 155443104 its reverse (401344551), we get a palindrome (556787655).

The spelling of 155443104 in words is "one hundred fifty-five million, four hundred forty-three thousand, one hundred four".