155443128 has 64 divisors (see below), whose sum is σ = 399751200. Its totient is φ = 50350080.

The previous prime is 155443049. The next prime is 155443129. The reversal of 155443128 is 821344551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155443129) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 129700 + ... + 130892.

Almost surely, 2^155443128 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 155443128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (199875600).

155443128 is an abundant number, since it is smaller than the sum of its proper divisors (244308072).

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

155443128 is a wasteful number, since it uses less digits than its factorization.

155443128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1352 (or 1348 counting only the distinct ones).

The product of its digits is 19200, while the sum is 33.

The square root of 155443128 is about 12467.6833453533. The cubic root of 155443128 is about 537.6799504198.

Adding to 155443128 its reverse (821344551), we get a palindrome (976787679).

The spelling of 155443128 in words is "one hundred fifty-five million, four hundred forty-three thousand, one hundred twenty-eight".