152605439 has 4 divisors (see below), whose sum is σ = 174406224. Its totient is φ = 130804656.

The previous prime is 152605423. The next prime is 152605451. The reversal of 152605439 is 934506251.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 152605439 - 2⁴ = 152605423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 152605399 and 152605408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152605139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10900382 + ... + 10900395.

It is an arithmetic number, because the mean of its divisors is an integer number (43601556).

Almost surely, 2^152605439 is an apocalyptic number.

152605439 is a deficient number, since it is larger than the sum of its proper divisors (21800785).

152605439 is an equidigital number, since it uses as much as digits as its factorization.

152605439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21800784.

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 152605439 is about 12353.3573978899. The cubic root of 152605439 is about 534.3879675341.

The spelling of 152605439 in words is "one hundred fifty-two million, six hundred five thousand, four hundred thirty-nine".