451249134 has 24 divisors (see below), whose sum is σ = 1049845608. Its totient is φ = 128928240.

The previous prime is 451249133. The next prime is 451249159. The reversal of 451249134 is 431942154.

It is a junction number, because it is equal to n+sod(n) for n = 451249095 and 451249104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451249133) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 767137 + ... + 767724.

It is an arithmetic number, because the mean of its divisors is an integer number (43743567).

Almost surely, 2^451249134 is an apocalyptic number.

451249134 is an abundant number, since it is smaller than the sum of its proper divisors (598596474).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

451249134 is a wasteful number, since it uses less digits than its factorization.

451249134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1534880 (or 1534873 counting only the distinct ones).

The product of its digits is 17280, while the sum is 33.

The square root of 451249134 is about 21242.6254027133. The cubic root of 451249134 is about 767.0178315241.

The spelling of 451249134 in words is "four hundred fifty-one million, two hundred forty-nine thousand, one hundred thirty-four".