3545451243 has 60 divisors (see below), whose sum is σ = 5667044680. Its totient is φ = 2202863040.

The previous prime is 3545451241. The next prime is 3545451277. The reversal of 3545451243 is 3421545453.

3545451243 is a `hidden beast` number, since 3 + 54 + 54 + 512 + 43 = 666.

It is not a de Polignac number, because 3545451243 - 2¹ = 3545451241 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3545451198 and 3545451207.

It is not an unprimeable number, because it can be changed into a prime (3545451241) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 7757871 + ... + 7758327.

Almost surely, 2^3545451243 is an apocalyptic number.

3545451243 is a deficient number, since it is larger than the sum of its proper divisors (2121593437).

3545451243 is an equidigital number, since it uses as much as digits as its factorization.

3545451243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630 (or 550 counting only the distinct ones).

The product of its digits is 144000, while the sum is 36.

The square root of 3545451243 is about 59543.6918825160. The cubic root of 3545451243 is about 1524.8384661654.

Adding to 3545451243 its reverse (3421545453), we get a palindrome (6966996696).

The spelling of 3545451243 in words is "three billion, five hundred forty-five million, four hundred fifty-one thousand, two hundred forty-three".