152448409 has 3 divisors (see below), whose sum is σ = 152460757. Its totient is φ = 152436062.

The previous prime is 152448407. The next prime is 152448437. The reversal of 152448409 is 904844251.

The square root of 152448409 is 12347.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 152448409 - 2¹ = 152448407 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152448407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 6174 + ... + 18520.

Almost surely, 2^152448409 is an apocalyptic number.

152448409 is the 12347-th square number.

152448409 is the 6174-th centered octagonal number.

It is an amenable number.

152448409 is a deficient number, since it is larger than the sum of its proper divisors (12348).

152448409 is an frugal number, since it uses more digits than its factorization.

152448409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24694 (or 12347 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 37.

The cubic root of 152448409 is about 534.2046107193.

It can be divided in two parts, 15244 and 8409, that added together give a triangular number (23653 = T₂₁₇).

The spelling of 152448409 in words is "one hundred fifty-two million, four hundred forty-eight thousand, four hundred nine".