155135144 has 32 divisors (see below), whose sum is σ = 301795200. Its totient is φ = 74705280.

The previous prime is 155135111. The next prime is 155135173. The reversal of 155135144 is 441531551.

155135144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22919 + ... + 28905.

It is an arithmetic number, because the mean of its divisors is an integer number (9431100).

Almost surely, 2^155135144 is an apocalyptic number.

It is an amenable number.

155135144 is a deficient number, since it is larger than the sum of its proper divisors (146660056).

155135144 is a wasteful number, since it uses less digits than its factorization.

155135144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6113 (or 6109 counting only the distinct ones).

The product of its digits is 6000, while the sum is 29.

The square root of 155135144 is about 12455.3259290956. The cubic root of 155135144 is about 537.3246086478.

Adding to 155135144 its reverse (441531551), we get a palindrome (596666695).

The spelling of 155135144 in words is "one hundred fifty-five million, one hundred thirty-five thousand, one hundred forty-four".