152440505 has 16 divisors (see below), whose sum is σ = 213511680. Its totient is φ = 102305472.

The previous prime is 152440499. The next prime is 152440529. The reversal of 152440505 is 505044251.

It is a cyclic number.

It is not a de Polignac number, because 152440505 - 2¹⁰ = 152439481 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 44690 + ... + 47979.

It is an arithmetic number, because the mean of its divisors is an integer number (13344480).

Almost surely, 2^152440505 is an apocalyptic number.

It is an amenable number.

152440505 is a deficient number, since it is larger than the sum of its proper divisors (61071175).

152440505 is an equidigital number, since it uses as much as digits as its factorization.

152440505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92728.

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 152440505 is about 12346.6799180994. The cubic root of 152440505 is about 534.1953782490.

Adding to 152440505 its reverse (505044251), we get a palindrome (657484756).

The spelling of 152440505 in words is "one hundred fifty-two million, four hundred forty thousand, five hundred five".