24523145345 has 8 divisors (see below), whose sum is σ = 29435887464. Its totient is φ = 19613107584.

The previous prime is 24523145333. The next prime is 24523145363. The reversal of 24523145345 is 54354132542.

It can be written as a sum of positive squares in 4 ways, for example, as 1134948721 + 23388196624 = 33689^2 + 152932^2 .

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 24523145345 - 2¹⁴ = 24523128961 is a prime.

It is a super-2 number, since 2×24523145345² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 24523145299 and 24523145308.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 656084 + ... + 692453.

It is an arithmetic number, because the mean of its divisors is an integer number (3679485933).

Almost surely, 2^24523145345 is an apocalyptic number.

It is an amenable number.

24523145345 is a deficient number, since it is larger than the sum of its proper divisors (4912742119).

24523145345 is a wasteful number, since it uses less digits than its factorization.

24523145345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1352179.

The product of its digits is 288000, while the sum is 38.

Adding to 24523145345 its reverse (54354132542), we get a palindrome (78877277887).

The spelling of 24523145345 in words is "twenty-four billion, five hundred twenty-three million, one hundred forty-five thousand, three hundred forty-five".