23152445 has 8 divisors (see below), whose sum is σ = 28069944. Its totient is φ = 18330624.

The previous prime is 23152439. The next prime is 23152463. The reversal of 23152445 is 54425132.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6724 + 23145721 = 82^2 + 4811^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23152445 - 2¹⁰ = 23151421 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 23384 + ... + 24353.

It is an arithmetic number, because the mean of its divisors is an integer number (3508743).

Almost surely, 2^23152445 is an apocalyptic number.

It is an amenable number.

23152445 is a deficient number, since it is larger than the sum of its proper divisors (4917499).

23152445 is an equidigital number, since it uses as much as digits as its factorization.

23152445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47839.

The product of its digits is 4800, while the sum is 26.

The square root of 23152445 is about 4811.6987644698. The cubic root of 23152445 is about 285.0136240537.

Adding to 23152445 its reverse (54425132), we get a palindrome (77577577).

The spelling of 23152445 in words is "twenty-three million, one hundred fifty-two thousand, four hundred forty-five".