155323456 has 28 divisors (see below), whose sum is σ = 311284620. Its totient is φ = 76889600.

The previous prime is 155323429. The next prime is 155323463. The reversal of 155323456 is 654323551.

It can be written as a sum of positive squares in 2 ways, for example, as 153363456 + 1960000 = 12384^2 + 1400^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5551 + ... + 18478.

Almost surely, 2^155323456 is an apocalyptic number.

155323456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

155323456 is an abundant number, since it is smaller than the sum of its proper divisors (155961164).

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

155323456 is a wasteful number, since it uses less digits than its factorization.

155323456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24142 (or 24132 counting only the distinct ones).

The product of its digits is 54000, while the sum is 34.

The square root of 155323456 is about 12462.8831335289. The cubic root of 155323456 is about 537.5419326219.

The spelling of 155323456 in words is "one hundred fifty-five million, three hundred twenty-three thousand, four hundred fifty-six".