451141002 has 80 divisors (see below), whose sum is σ = 1152780552. Its totient is φ = 130636800.

The previous prime is 451141001. The next prime is 451141003. The reversal of 451141002 is 200141154.

It is an interprime number because it is at equal distance from previous prime (451141001) and next prime (451141003).

It can be written as a sum of positive squares in 4 ways, for example, as 340070481 + 111070521 = 18441^2 + 10539^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (451141001) 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, 29502 + ... + 42102.

Almost surely, 2^451141002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 451141002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (576390276).

451141002 is an abundant number, since it is smaller than the sum of its proper divisors (701639550).

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

451141002 is a wasteful number, since it uses less digits than its factorization.

451141002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12645 (or 12636 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 451141002 is about 21240.0800845948. The cubic root of 451141002 is about 766.9565602723.

Adding to 451141002 its reverse (200141154), we get a palindrome (651282156).

The spelling of 451141002 in words is "four hundred fifty-one million, one hundred forty-one thousand, two".