451143412 has 12 divisors (see below), whose sum is σ = 806299200. Its totient is φ = 220772216.

The previous prime is 451143383. The next prime is 451143421. The reversal of 451143412 is 214341154.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1199662 + ... + 1200037.

It is an arithmetic number, because the mean of its divisors is an integer number (67191600).

Almost surely, 2^451143412 is an apocalyptic number.

It is an amenable number.

451143412 is a deficient number, since it is larger than the sum of its proper divisors (355155788).

451143412 is a wasteful number, since it uses less digits than its factorization.

451143412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2399750 (or 2399748 counting only the distinct ones).

The product of its digits is 1920, while the sum is 25.

The square root of 451143412 is about 21240.1368168851. The cubic root of 451143412 is about 766.9579259665.

Adding to 451143412 its reverse (214341154), we get a palindrome (665484566).

The spelling of 451143412 in words is "four hundred fifty-one million, one hundred forty-three thousand, four hundred twelve".