155335136 has 48 divisors (see below), whose sum is σ = 345144240. Its totient is φ = 68167680.

The previous prime is 155335133. The next prime is 155335151. The reversal of 155335136 is 631533551.

It is a super-2 number, since 2×155335136² = 48258008952276992, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155335133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2600 + ... + 17816.

It is an arithmetic number, because the mean of its divisors is an integer number (7190505).

Almost surely, 2^155335136 is an apocalyptic number.

155335136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 155335136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172572120).

155335136 is an abundant number, since it is smaller than the sum of its proper divisors (189809104).

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

155335136 is a wasteful number, since it uses less digits than its factorization.

155335136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15267 (or 15259 counting only the distinct ones).

The product of its digits is 20250, while the sum is 32.

The square root of 155335136 is about 12463.3517161316. The cubic root of 155335136 is about 537.5554062949. Note that the first 3 decimals are identical.

Adding to 155335136 its reverse (631533551), we get a palindrome (786868687).

The spelling of 155335136 in words is "one hundred fifty-five million, three hundred thirty-five thousand, one hundred thirty-six".