152236643 has 4 divisors (see below), whose sum is σ = 163947168. Its totient is φ = 140526120.

The previous prime is 152236633. The next prime is 152236661. The reversal of 152236643 is 346632251.

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 152236643 - 2⁸ = 152236387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152236603) 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 3 ways as a sum of consecutive naturals, for example, 5855243 + ... + 5855268.

It is an arithmetic number, because the mean of its divisors is an integer number (40986792).

Almost surely, 2^152236643 is an apocalyptic number.

152236643 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

152236643 is a deficient number, since it is larger than the sum of its proper divisors (11710525).

152236643 is a wasteful number, since it uses less digits than its factorization.

152236643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11710524.

The product of its digits is 25920, while the sum is 32.

The square root of 152236643 is about 12338.4214144274. The cubic root of 152236643 is about 533.9571416552.

Adding to 152236643 its reverse (346632251), we get a palindrome (498868894).

The spelling of 152236643 in words is "one hundred fifty-two million, two hundred thirty-six thousand, six hundred forty-three".