45638741 has 4 divisors (see below), whose sum is σ = 48040800. Its totient is φ = 43236684.

The previous prime is 45638731. The next prime is 45638753. The reversal of 45638741 is 14783654.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14783654 = 2 ⋅7391827.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45638741 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45638695 and 45638704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45638701) 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, 1201001 + ... + 1201038.

It is an arithmetic number, because the mean of its divisors is an integer number (12010200).

Almost surely, 2^45638741 is an apocalyptic number.

It is an amenable number.

45638741 is a deficient number, since it is larger than the sum of its proper divisors (2402059).

45638741 is a wasteful number, since it uses less digits than its factorization.

45638741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2402058.

The product of its digits is 80640, while the sum is 38.

The square root of 45638741 is about 6755.6451209340. The cubic root of 45638741 is about 357.3643438557.

The spelling of 45638741 in words is "forty-five million, six hundred thirty-eight thousand, seven hundred forty-one".