4545453212 has 24 divisors (see below), whose sum is σ = 8055356400. Its totient is φ = 2243995776.

The previous prime is 4545453103. The next prime is 4545453229. The reversal of 4545453212 is 2123545454.

It is a super-2 number, since 2×4545453212² = 41322289804962233888, which contains 22 as substring.

It is a congruent number.

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, 252239 + ... + 269657.

It is an arithmetic number, because the mean of its divisors is an integer number (335639850).

Almost surely, 2^4545453212 is an apocalyptic number.

It is an amenable number.

4545453212 is a deficient number, since it is larger than the sum of its proper divisors (3509903188).

4545453212 is a wasteful number, since it uses less digits than its factorization.

4545453212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18245 (or 18243 counting only the distinct ones).

The product of its digits is 96000, while the sum is 35.

The square root of 4545453212 is about 67419.9763571599. The cubic root of 4545453212 is about 1656.5036503758.

Adding to 4545453212 its reverse (2123545454), we get a palindrome (6668998666).

The spelling of 4545453212 in words is "four billion, five hundred forty-five million, four hundred fifty-three thousand, two hundred twelve".