155544116 has 48 divisors (see below), whose sum is σ = 336053760. Its totient is φ = 61344000.

The previous prime is 155544107. The next prime is 155544121. The reversal of 155544116 is 611445551.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 206741 + ... + 207491.

It is an arithmetic number, because the mean of its divisors is an integer number (7001120).

Almost surely, 2^155544116 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 155544116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (168026880).

155544116 is an abundant number, since it is smaller than the sum of its proper divisors (180509644).

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

155544116 is a wasteful number, since it uses less digits than its factorization.

155544116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1344 (or 1342 counting only the distinct ones).

The product of its digits is 12000, while the sum is 32.

The square root of 155544116 is about 12471.7326783410. The cubic root of 155544116 is about 537.7963648469.

Adding to 155544116 its reverse (611445551), we get a palindrome (766989667).

The spelling of 155544116 in words is "one hundred fifty-five million, five hundred forty-four thousand, one hundred sixteen".