45613690 has 8 divisors (see below), whose sum is σ = 82104660. Its totient is φ = 18245472.

The previous prime is 45613651. The next prime is 45613691. The reversal of 45613690 is 9631654.

It can be written as a sum of positive squares in 2 ways, for example, as 38155329 + 7458361 = 6177^2 + 2731^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×45613690² = 4161217430832200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45613691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2280675 + ... + 2280694.

Almost surely, 2^45613690 is an apocalyptic number.

45613690 is a deficient number, since it is larger than the sum of its proper divisors (36490970).

45613690 is a wasteful number, since it uses less digits than its factorization.

45613690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4561376.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 45613690 is about 6753.7907874023. The cubic root of 45613690 is about 357.2989463998.

The spelling of 45613690 in words is "forty-five million, six hundred thirteen thousand, six hundred ninety".