155445344 has 48 divisors (see below), whose sum is σ = 315442512. Its totient is φ = 75360768.

The previous prime is 155445337. The next prime is 155445347. The reversal of 155445344 is 443544551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155445347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 237722 + ... + 238374.

It is an arithmetic number, because the mean of its divisors is an integer number (6571719).

Almost surely, 2^155445344 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 155445344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157721256).

155445344 is an abundant number, since it is smaller than the sum of its proper divisors (159997168).

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

155445344 is a wasteful number, since it uses less digits than its factorization.

155445344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 879 (or 871 counting only the distinct ones).

The product of its digits is 96000, while the sum is 35.

The square root of 155445344 is about 12467.7722147944. The cubic root of 155445344 is about 537.6825054660.

Adding to 155445344 its reverse (443544551), we get a palindrome (598989895).

The spelling of 155445344 in words is "one hundred fifty-five million, four hundred forty-five thousand, three hundred forty-four".