45345013 has 4 divisors (see below), whose sum is σ = 51822880. Its totient is φ = 38867148.

The previous prime is 45345011. The next prime is 45345019. The reversal of 45345013 is 31054354.

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: 31054354 = 2 ⋅15527177.

It is a cyclic number.

It is not a de Polignac number, because 45345013 - 2¹ = 45345011 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 (45345011) 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, 3238923 + ... + 3238936.

It is an arithmetic number, because the mean of its divisors is an integer number (12955720).

Almost surely, 2^45345013 is an apocalyptic number.

It is an amenable number.

45345013 is a deficient number, since it is larger than the sum of its proper divisors (6477867).

45345013 is an equidigital number, since it uses as much as digits as its factorization.

45345013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6477866.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 45345013 is about 6733.8705808769. The cubic root of 45345013 is about 356.5960352562.

Adding to 45345013 its reverse (31054354), we get a palindrome (76399367).

The spelling of 45345013 in words is "forty-five million, three hundred forty-five thousand, thirteen".