451145432 has 8 divisors (see below), whose sum is σ = 845897700. Its totient is φ = 225572712.

The previous prime is 451145419. The next prime is 451145467. The reversal of 451145432 is 234541154.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 451145395 and 451145404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28196582 + ... + 28196597.

Almost surely, 2^451145432 is an apocalyptic number.

It is an amenable number.

451145432 is a deficient number, since it is larger than the sum of its proper divisors (394752268).

451145432 is a wasteful number, since it uses less digits than its factorization.

451145432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56393185 (or 56393181 counting only the distinct ones).

The product of its digits is 9600, while the sum is 29.

The square root of 451145432 is about 21240.1843683147. The cubic root of 451145432 is about 766.9590706526.

Adding to 451145432 its reverse (234541154), we get a palindrome (685686586).

The spelling of 451145432 in words is "four hundred fifty-one million, one hundred forty-five thousand, four hundred thirty-two".