450645612 has 12 divisors (see below), whose sum is σ = 1051506456. Its totient is φ = 150215200.

The previous prime is 450645593. The next prime is 450645631. The reversal of 450645612 is 216546054.

It is an interprime number because it is at equal distance from previous prime (450645593) and next prime (450645631).

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×450645612² = 406162935229709088, which contains 22 as substring.

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, 18776889 + ... + 18776912.

It is an arithmetic number, because the mean of its divisors is an integer number (87625538).

Almost surely, 2^450645612 is an apocalyptic number.

It is an amenable number.

450645612 is an abundant number, since it is smaller than the sum of its proper divisors (600860844).

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

450645612 is a wasteful number, since it uses less digits than its factorization.

450645612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37553808 (or 37553806 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 450645612 is about 21228.4152022708. The cubic root of 450645612 is about 766.6757302856.

The spelling of 450645612 in words is "four hundred fifty million, six hundred forty-five thousand, six hundred twelve".