45603947 has 4 divisors (see below), whose sum is σ = 45894576. Its totient is φ = 45313320.

The previous prime is 45603923. The next prime is 45603949. The reversal of 45603947 is 74930654.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45603947 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45603947.

It is not an unprimeable number, because it can be changed into a prime (45603949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145079 + ... + 145392.

It is an arithmetic number, because the mean of its divisors is an integer number (11473644).

Almost surely, 2^45603947 is an apocalyptic number.

45603947 is a deficient number, since it is larger than the sum of its proper divisors (290629).

45603947 is a wasteful number, since it uses less digits than its factorization.

45603947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290628.

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 45603947 is about 6753.0694502574. The cubic root of 45603947 is about 357.2735051232.

The spelling of 45603947 in words is "forty-five million, six hundred three thousand, nine hundred forty-seven".