45513013 has 32 divisors (see below), whose sum is σ = 58464000. Its totient is φ = 35195328.

The previous prime is 45513007. The next prime is 45513019. The reversal of 45513013 is 31031554.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (45513007) and next prime (45513019).

It is not a de Polignac number, because 45513013 - 2⁵ = 45512981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45513019) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 262995 + ... + 263167.

It is an arithmetic number, because the mean of its divisors is an integer number (1827000).

Almost surely, 2^45513013 is an apocalyptic number.

It is an amenable number.

45513013 is a deficient number, since it is larger than the sum of its proper divisors (12950987).

45513013 is a wasteful number, since it uses less digits than its factorization.

45513013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266 (or 252 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 45513013 is about 6746.3333003936. Note that the first 4 decimals coincide. The cubic root of 45513013 is about 357.0358800283.

Adding to 45513013 its reverse (31031554), we get a palindrome (76544567).

The spelling of 45513013 in words is "forty-five million, five hundred thirteen thousand, thirteen".