445451132 has 12 divisors (see below), whose sum is σ = 890902320. Its totient is φ = 190907616.

The previous prime is 445451117. The next prime is 445451137. The reversal of 445451132 is 231154544.

445451132 is an admirable number.

It is a super-2 number, since 2×445451132² = 396853422000162848, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 445451095 and 445451104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445451137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7954457 + ... + 7954512.

It is an arithmetic number, because the mean of its divisors is an integer number (74241860).

Almost surely, 2^445451132 is an apocalyptic number.

It is an amenable number.

445451132 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

445451132 is a wasteful number, since it uses less digits than its factorization.

445451132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15908980 (or 15908978 counting only the distinct ones).

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

The square root of 445451132 is about 21105.7132549459. The cubic root of 445451132 is about 763.7185786783.

The spelling of 445451132 in words is "four hundred forty-five million, four hundred fifty-one thousand, one hundred thirty-two".