451144252 has 24 divisors (see below), whose sum is σ = 851693696. Its totient is φ = 207862848.

The previous prime is 451144231. The next prime is 451144297. The reversal of 451144252 is 252441154.

It is a super-3 number, since 3×451144252³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 451144252.

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, 24418 + ... + 38710.

Almost surely, 2^451144252 is an apocalyptic number.

It is an amenable number.

451144252 is a deficient number, since it is larger than the sum of its proper divisors (400549444).

451144252 is a wasteful number, since it uses less digits than its factorization.

451144252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14917 (or 14915 counting only the distinct ones).

The product of its digits is 6400, while the sum is 28.

The square root of 451144252 is about 21240.1565907599. The cubic root of 451144252 is about 766.9584019750.

The spelling of 451144252 in words is "four hundred fifty-one million, one hundred forty-four thousand, two hundred fifty-two".