45618436 has 12 divisors (see below), whose sum is σ = 80369100. Its totient is φ = 22655840.

The previous prime is 45618431. The next prime is 45618451. The reversal of 45618436 is 63481654.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 7054336 + 38564100 = 2656^2 + 6210^2 .

It is a junction number, because it is equal to n+sod(n) for n = 45618395 and 45618404.

It is not an unprimeable number, because it can be changed into a prime (45618431) 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, 37675 + ... + 38866.

It is an arithmetic number, because the mean of its divisors is an integer number (6697425).

Almost surely, 2^45618436 is an apocalyptic number.

It is an amenable number.

45618436 is a deficient number, since it is larger than the sum of its proper divisors (34750664).

45618436 is a wasteful number, since it uses less digits than its factorization.

45618436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76694 (or 76692 counting only the distinct ones).

The product of its digits is 69120, while the sum is 37.

The square root of 45618436 is about 6754.1421364967. The cubic root of 45618436 is about 357.3113380158.

The spelling of 45618436 in words is "forty-five million, six hundred eighteen thousand, four hundred thirty-six".