155244324 has 12 divisors (see below), whose sum is σ = 362236784. Its totient is φ = 51748104.

The previous prime is 155244251. The next prime is 155244347. The reversal of 155244324 is 423442551.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 155244291 and 155244300.

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 3 ways as a sum of consecutive naturals, for example, 6468502 + ... + 6468525.

Almost surely, 2^155244324 is an apocalyptic number.

It is an amenable number.

155244324 is an abundant number, since it is smaller than the sum of its proper divisors (206992460).

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

155244324 is a wasteful number, since it uses less digits than its factorization.

155244324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12937034 (or 12937032 counting only the distinct ones).

The product of its digits is 19200, while the sum is 30.

The square root of 155244324 is about 12459.7080222612. The cubic root of 155244324 is about 537.4506306918.

Adding to 155244324 its reverse (423442551), we get a palindrome (578686875).

The spelling of 155244324 in words is "one hundred fifty-five million, two hundred forty-four thousand, three hundred twenty-four".