155301136 has 40 divisors (see below), whose sum is σ = 325316480. Its totient is φ = 71570304.

The previous prime is 155301131. The next prime is 155301143. The reversal of 155301136 is 631103551.

It is a self number, because there is not a number n which added to its sum of digits gives 155301136.

It is not an unprimeable number, because it can be changed into a prime (155301131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4345 + ... + 18151.

It is an arithmetic number, because the mean of its divisors is an integer number (8132912).

Almost surely, 2^155301136 is an apocalyptic number.

155301136 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 155301136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162658240).

155301136 is an abundant number, since it is smaller than the sum of its proper divisors (170015344).

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

155301136 is a wasteful number, since it uses less digits than its factorization.

155301136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13871 (or 13865 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 25.

The square root of 155301136 is about 12461.9876424269. The cubic root of 155301136 is about 537.5161831075.

Adding to 155301136 its reverse (631103551), we get a palindrome (786404687).

The spelling of 155301136 in words is "one hundred fifty-five million, three hundred one thousand, one hundred thirty-six".