45643013 has 24 divisors (see below), whose sum is σ = 52264800. Its totient is φ = 39783744.

The previous prime is 45643001. The next prime is 45643019. The reversal of 45643013 is 31034654.

It is not a de Polignac number, because 45643013 - 2¹⁰ = 45641989 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 (45643019) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 328298 + ... + 328436.

It is an arithmetic number, because the mean of its divisors is an integer number (2177700).

Almost surely, 2^45643013 is an apocalyptic number.

It is an amenable number.

45643013 is a deficient number, since it is larger than the sum of its proper divisors (6621787).

45643013 is a wasteful number, since it uses less digits than its factorization.

45643013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261 (or 248 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 45643013 is about 6755.9612935540. The cubic root of 45643013 is about 357.3754938335.

Adding to 45643013 its reverse (31034654), we get a palindrome (76677667).

The spelling of 45643013 in words is "forty-five million, six hundred forty-three thousand, thirteen".