45638293 has 4 divisors (see below), whose sum is σ = 47110528. Its totient is φ = 44166060.

The previous prime is 45638291. The next prime is 45638347. The reversal of 45638293 is 39283654.

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.

It is a cyclic number.

It is not a de Polignac number, because 45638293 - 2¹ = 45638291 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45638291) 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, 736071 + ... + 736132.

It is an arithmetic number, because the mean of its divisors is an integer number (11777632).

Almost surely, 2^45638293 is an apocalyptic number.

It is an amenable number.

45638293 is a deficient number, since it is larger than the sum of its proper divisors (1472235).

45638293 is a wasteful number, since it uses less digits than its factorization.

45638293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1472234.

The product of its digits is 155520, while the sum is 40.

The square root of 45638293 is about 6755.6119633975. The cubic root of 45638293 is about 357.3631745293.

The spelling of 45638293 in words is "forty-five million, six hundred thirty-eight thousand, two hundred ninety-three".