451342132 has 12 divisors (see below), whose sum is σ = 811196260. Its totient is φ = 219571776.

The previous prime is 451342127. The next prime is 451342141. The reversal of 451342132 is 231243154.

It can be written as a sum of positive squares in 2 ways, for example, as 406264336 + 45077796 = 20156^2 + 6714^2 .

It is a junction number, because it is equal to n+sod(n) for n = 451342097 and 451342106.

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, 1524657 + ... + 1524952.

Almost surely, 2^451342132 is an apocalyptic number.

It is an amenable number.

451342132 is a deficient number, since it is larger than the sum of its proper divisors (359854128).

451342132 is a wasteful number, since it uses less digits than its factorization.

451342132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3049650 (or 3049648 counting only the distinct ones).

The product of its digits is 2880, while the sum is 25.

The square root of 451342132 is about 21244.8142378323. The cubic root of 451342132 is about 767.0705195104.

Adding to 451342132 its reverse (231243154), we get a palindrome (682585286).

The spelling of 451342132 in words is "four hundred fifty-one million, three hundred forty-two thousand, one hundred thirty-two".