155434548 has 48 divisors (see below), whose sum is σ = 376649280. Its totient is φ = 49830144.

The previous prime is 155434541. The next prime is 155434561. The reversal of 155434548 is 845434551.

155434548 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155434541) 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, 108211 + ... + 109637.

It is an arithmetic number, because the mean of its divisors is an integer number (7846860).

Almost surely, 2^155434548 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 155434548, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188324640).

155434548 is an abundant number, since it is smaller than the sum of its proper divisors (221214732).

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

155434548 is a wasteful number, since it uses less digits than its factorization.

155434548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1776 (or 1774 counting only the distinct ones).

The product of its digits is 192000, while the sum is 39.

The square root of 155434548 is about 12467.3392510190. The cubic root of 155434548 is about 537.6700574579.

The spelling of 155434548 in words is "one hundred fifty-five million, four hundred thirty-four thousand, five hundred forty-eight".