155008128 has 64 divisors (see below), whose sum is σ = 449183520. Its totient is φ = 46970880.

The previous prime is 155008121. The next prime is 155008157. The reversal of 155008128 is 821800551.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 155008095 and 155008104.

It is not an unprimeable number, because it can be changed into a prime (155008121) 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, 14125 + ... + 22572.

Almost surely, 2^155008128 is an apocalyptic number.

It is an amenable number.

155008128 is an abundant number, since it is smaller than the sum of its proper divisors (294175392).

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

155008128 is a wasteful number, since it uses less digits than its factorization.

155008128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36725 (or 36713 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 30.

The square root of 155008128 is about 12450.2260220447. The cubic root of 155008128 is about 537.1779248053.

Adding to 155008128 its reverse (821800551), we get a palindrome (976808679).

The spelling of 155008128 in words is "one hundred fifty-five million, eight thousand, one hundred twenty-eight".