45293513 has 4 divisors (see below), whose sum is σ = 46517700. Its totient is φ = 44069328.

The previous prime is 45293503. The next prime is 45293519. The reversal of 45293513 is 31539254.

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

It can be written as a sum of positive squares in 2 ways, for example, as 17330569 + 27962944 = 4163^2 + 5288^2 .

It is a cyclic number.

It is not a de Polignac number, because 45293513 - 2¹² = 45289417 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 45293513.

It is not an unprimeable number, because it can be changed into a prime (45293519) 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, 612038 + ... + 612111.

It is an arithmetic number, because the mean of its divisors is an integer number (11629425).

Almost surely, 2^45293513 is an apocalyptic number.

It is an amenable number.

45293513 is a deficient number, since it is larger than the sum of its proper divisors (1224187).

45293513 is a wasteful number, since it uses less digits than its factorization.

45293513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1224186.

The product of its digits is 16200, while the sum is 32.

The square root of 45293513 is about 6730.0455421936. The cubic root of 45293513 is about 356.4609843691.

The spelling of 45293513 in words is "forty-five million, two hundred ninety-three thousand, five hundred thirteen".