5645450 has 12 divisors (see below), whose sum is σ = 10500630. Its totient is φ = 2258160.

The previous prime is 5645447. The next prime is 5645473. The reversal of 5645450 is 545465.

It can be written as a sum of positive squares in 3 ways, for example, as 3301489 + 2343961 = 1817^2 + 1531^2 .

It is a super-2 number, since 2×5645450² = 63742211405000, which contains 22 as substring.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 56405 + ... + 56504.

Almost surely, 2^5645450 is an apocalyptic number.

5645450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5645450 is a deficient number, since it is larger than the sum of its proper divisors (4855180).

5645450 is a wasteful number, since it uses less digits than its factorization.

5645450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112921 (or 112916 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 5645450 is about 2376.0155723395. The cubic root of 5645450 is about 178.0599259576.

The spelling of 5645450 in words is "five million, six hundred forty-five thousand, four hundred fifty".