152722243 has 4 divisors (see below), whose sum is σ = 152773128. Its totient is φ = 152671360.

The previous prime is 152722183. The next prime is 152722249. The reversal of 152722243 is 342227251.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-152722243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152722249) 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, 20638 + ... + 27043.

It is an arithmetic number, because the mean of its divisors is an integer number (38193282).

Almost surely, 2^152722243 is an apocalyptic number.

152722243 is a deficient number, since it is larger than the sum of its proper divisors (50885).

152722243 is an equidigital number, since it uses as much as digits as its factorization.

152722243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50884.

The product of its digits is 6720, while the sum is 28.

The square root of 152722243 is about 12358.0841152664. The cubic root of 152722243 is about 534.5242727106.

Adding to 152722243 its reverse (342227251), we get a palindrome (494949494).

The spelling of 152722243 in words is "one hundred fifty-two million, seven hundred twenty-two thousand, two hundred forty-three".