152204441 has 4 divisors (see below), whose sum is σ = 157452900. Its totient is φ = 146955984.

The previous prime is 152204431. The next prime is 152204443. The reversal of 152204441 is 144402251.

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

It can be written as a sum of positive squares in 2 ways, for example, as 46526041 + 105678400 = 6821^2 + 10280^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-152204441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152204443) 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, 2624186 + ... + 2624243.

It is an arithmetic number, because the mean of its divisors is an integer number (39363225).

Almost surely, 2^152204441 is an apocalyptic number.

It is an amenable number.

152204441 is a deficient number, since it is larger than the sum of its proper divisors (5248459).

152204441 is an equidigital number, since it uses as much as digits as its factorization.

152204441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5248458.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 152204441 is about 12337.1163972786. The cubic root of 152204441 is about 533.9194904037.

Adding to 152204441 its reverse (144402251), we get a palindrome (296606692).

The spelling of 152204441 in words is "one hundred fifty-two million, two hundred four thousand, four hundred forty-one".