155434356 has 96 divisors (see below), whose sum is σ = 502440960. Its totient is φ = 40370400.

The previous prime is 155434337. The next prime is 155434369. The reversal of 155434356 is 653434551.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 155434356.

It is a congruent number.

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, 1030 + ... + 17661.

It is an arithmetic number, because the mean of its divisors is an integer number (5233760).

Almost surely, 2^155434356 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 155434356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (251220480).

155434356 is an abundant number, since it is smaller than the sum of its proper divisors (347006604).

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

155434356 is a wasteful number, since it uses less digits than its factorization.

155434356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18722 (or 18714 counting only the distinct ones).

The product of its digits is 108000, while the sum is 36.

The square root of 155434356 is about 12467.3315508973. The cubic root of 155434356 is about 537.6698360728.

The spelling of 155434356 in words is "one hundred fifty-five million, four hundred thirty-four thousand, three hundred fifty-six".