10243454545 has 16 divisors (see below), whose sum is σ = 12561075072. Its totient is φ = 8017395840.

The previous prime is 10243454521. The next prime is 10243454549. The reversal of 10243454545 is 54545434201.

It is not a de Polignac number, because 10243454545 - 2¹¹ = 10243452497 is a prime.

It is a super-2 number, since 2×10243454545² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10243454549) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77076 + ... + 162565.

It is an arithmetic number, because the mean of its divisors is an integer number (785067192).

Almost surely, 2^10243454545 is an apocalyptic number.

It is an amenable number.

10243454545 is a deficient number, since it is larger than the sum of its proper divisors (2317620527).

10243454545 is a wasteful number, since it uses less digits than its factorization.

10243454545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239832.

The product of its (nonzero) digits is 192000, while the sum is 37.

Adding to 10243454545 its reverse (54545434201), we get a palindrome (64788888746).

The spelling of 10243454545 in words is "ten billion, two hundred forty-three million, four hundred fifty-four thousand, five hundred forty-five".