24145503421 has 8 divisors (see below), whose sum is σ = 26005511000. Its totient is φ = 22285876032.

The previous prime is 24145503413. The next prime is 24145503457. The reversal of 24145503421 is 12430554142.

It can be written as a sum of positive squares in 4 ways, for example, as 989794521 + 23155708900 = 31461^2 + 152170^2 .

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 24145503421 - 2³ = 24145503413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24145503721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44455 + ... + 224203.

It is an arithmetic number, because the mean of its divisors is an integer number (3250688875).

Almost surely, 2^24145503421 is an apocalyptic number.

It is an amenable number.

24145503421 is a deficient number, since it is larger than the sum of its proper divisors (1860007579).

24145503421 is a wasteful number, since it uses less digits than its factorization.

24145503421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190095.

The product of its (nonzero) digits is 19200, while the sum is 31.

The spelling of 24145503421 in words is "twenty-four billion, one hundred forty-five million, five hundred three thousand, four hundred twenty-one".