155344552 has 64 divisors (see below), whose sum is σ = 330960960. Its totient is φ = 67737600.

The previous prime is 155344549. The next prime is 155344559. The reversal of 155344552 is 255443551.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (155344559) 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, 230488 + ... + 231160.

It is an arithmetic number, because the mean of its divisors is an integer number (5171265).

Almost surely, 2^155344552 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 155344552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165480480).

155344552 is an abundant number, since it is smaller than the sum of its proper divisors (175616408).

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

155344552 is a wasteful number, since it uses less digits than its factorization.

155344552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 794 (or 790 counting only the distinct ones).

The product of its digits is 60000, while the sum is 34.

The square root of 155344552 is about 12463.7294579111. The cubic root of 155344552 is about 537.5662677986.

The spelling of 155344552 in words is "one hundred fifty-five million, three hundred forty-four thousand, five hundred fifty-two".