155323445130 has 128 divisors (see below), whose sum is σ = 473472552960. Its totient is φ = 35494562880.

The previous prime is 155323445129. The next prime is 155323445153. The reversal of 155323445130 is 31544323551.

155323445130 is a `hidden beast` number, since 1 + 5 + 532 + 3 + 44 + 51 + 30 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14523085 + ... + 14533775.

It is an arithmetic number, because the mean of its divisors is an integer number (3699004320).

Almost surely, 2^155323445130 is an apocalyptic number.

155323445130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

155323445130 is an abundant number, since it is smaller than the sum of its proper divisors (318149107830).

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

155323445130 is a wasteful number, since it uses less digits than its factorization.

155323445130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18401 (or 18395 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

Adding to 155323445130 its reverse (31544323551), we get a palindrome (186867768681).

The spelling of 155323445130 in words is "one hundred fifty-five billion, three hundred twenty-three million, four hundred forty-five thousand, one hundred thirty".