155361128 has 32 divisors (see below), whose sum is σ = 314398560. Its totient is φ = 71547840.

The previous prime is 155361127. The next prime is 155361131. The reversal of 155361128 is 821163551.

It is a junction number, because it is equal to n+sod(n) for n = 155361094 and 155361103.

It is not an unprimeable number, because it can be changed into a prime (155361127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55523 + ... + 58253.

It is an arithmetic number, because the mean of its divisors is an integer number (9824955).

Almost surely, 2^155361128 is an apocalyptic number.

It is an amenable number.

155361128 is an abundant number, since it is smaller than the sum of its proper divisors (159037432).

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

155361128 is a wasteful number, since it uses less digits than its factorization.

155361128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3297 (or 3293 counting only the distinct ones).

The product of its digits is 7200, while the sum is 32.

The square root of 155361128 is about 12464.3944096775. The cubic root of 155361128 is about 537.5853874081.

The spelling of 155361128 in words is "one hundred fifty-five million, three hundred sixty-one thousand, one hundred twenty-eight".