155044206 has 96 divisors (see below), whose sum is σ = 369847296. Its totient is φ = 48600000.

The previous prime is 155044187. The next prime is 155044213. The reversal of 155044206 is 602440551.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 155044206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 617581 + ... + 617831.

It is an arithmetic number, because the mean of its divisors is an integer number (3852576).

Almost surely, 2^155044206 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 155044206, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184923648).

155044206 is an abundant number, since it is smaller than the sum of its proper divisors (214803090).

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

155044206 is a wasteful number, since it uses less digits than its factorization.

155044206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340 (or 328 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 155044206 is about 12451.6748271066. The cubic root of 155044206 is about 537.2195974626.

Adding to 155044206 its reverse (602440551), we get a palindrome (757484757).

The spelling of 155044206 in words is "one hundred fifty-five million, forty-four thousand, two hundred six".