451252134 has 80 divisors (see below), whose sum is σ = 1063003392. Its totient is φ = 142802352.

The previous prime is 451252133. The next prime is 451252177. The reversal of 451252134 is 431252154.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 451252098 and 451252107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451252133) 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 39 ways as a sum of consecutive naturals, for example, 606967 + ... + 607709.

Almost surely, 2^451252134 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 451252134, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (531501696).

451252134 is an abundant number, since it is smaller than the sum of its proper divisors (611751258).

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

451252134 is a wasteful number, since it uses less digits than its factorization.

451252134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 943 (or 934 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 451252134 is about 21242.6960153367. The cubic root of 451252134 is about 767.0195312861.

The spelling of 451252134 in words is "four hundred fifty-one million, two hundred fifty-two thousand, one hundred thirty-four".