155030032008 has 48 divisors (see below), whose sum is σ = 424590695100. Its totient is φ = 51096038400.

The previous prime is 155030031977. The next prime is 155030032009. The reversal of 155030032008 is 800230030551.

155030032008 is a `hidden beast` number, since 155 + 0 + 300 + 3 + 200 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 144371121444 + 10658910564 = 379962^2 + 103242^2 .

It is not an unprimeable number, because it can be changed into a prime (155030032009) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12090193 + ... + 12103008.

Almost surely, 2^155030032008 is an apocalyptic number.

155030032008 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

155030032008 is an abundant number, since it is smaller than the sum of its proper divisors (269560663092).

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

155030032008 is a wasteful number, since it uses less digits than its factorization.

155030032008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24193302 (or 24193295 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 155030032008 its reverse (800230030551), we get a palindrome (955260062559).

The spelling of 155030032008 in words is "one hundred fifty-five billion, thirty million, thirty-two thousand, eight".