155424144 has 40 divisors (see below), whose sum is σ = 402166720. Its totient is φ = 51723648.

The previous prime is 155424127. The next prime is 155424169. The reversal of 155424144 is 441424551.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31749 + ... + 36315.

It is an arithmetic number, because the mean of its divisors is an integer number (10054168).

Almost surely, 2^155424144 is an apocalyptic number.

It is an amenable number.

155424144 is an abundant number, since it is smaller than the sum of its proper divisors (246742576).

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

155424144 is a wasteful number, since it uses less digits than its factorization.

155424144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5287 (or 5281 counting only the distinct ones).

The product of its digits is 12800, while the sum is 30.

The square root of 155424144 is about 12466.9219938203. The cubic root of 155424144 is about 537.6580608883.

Adding to 155424144 its reverse (441424551), we get a palindrome (596848695).

The spelling of 155424144 in words is "one hundred fifty-five million, four hundred twenty-four thousand, one hundred forty-four".