45643610 has 16 divisors (see below), whose sum is σ = 82345032. Its totient is φ = 18216000.

The previous prime is 45643573. The next prime is 45643649. The reversal of 45643610 is 1634654.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 42549529 + 3094081 = 6523^2 + 1759^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 341 + ... + 9560.

Almost surely, 2^45643610 is an apocalyptic number.

45643610 is a deficient number, since it is larger than the sum of its proper divisors (36701422).

45643610 is a wasteful number, since it uses less digits than its factorization.

45643610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10369.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 45643610 is about 6756.0054766112. The cubic root of 45643610 is about 357.3770519561.

The spelling of 45643610 in words is "forty-five million, six hundred forty-three thousand, six hundred ten".