23005045145 has 8 divisors (see below), whose sum is σ = 27606919560. Its totient is φ = 18403459200.

The previous prime is 23005045111. The next prime is 23005045187. The reversal of 23005045145 is 54154050032.

It can be written as a sum of positive squares in 4 ways, for example, as 1206589696 + 21798455449 = 34736^2 + 147643^2 .

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

It is not a de Polignac number, because 23005045145 - 2¹⁰ = 23005044121 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189845 + ... + 286445.

It is an arithmetic number, because the mean of its divisors is an integer number (3450864945).

Almost surely, 2^23005045145 is an apocalyptic number.

It is an amenable number.

23005045145 is a deficient number, since it is larger than the sum of its proper divisors (4601874415).

23005045145 is an equidigital number, since it uses as much as digits as its factorization.

23005045145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144235.

The product of its (nonzero) digits is 12000, while the sum is 29.

Adding to 23005045145 its reverse (54154050032), we get a palindrome (77159095177).

The spelling of 23005045145 in words is "twenty-three billion, five million, forty-five thousand, one hundred forty-five".