45202313 has 4 divisors (see below), whose sum is σ = 48679428. Its totient is φ = 41725200.

The previous prime is 45202307. The next prime is 45202343. The reversal of 45202313 is 31320254.

It is a happy number.

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 3108169 + 42094144 = 1763^2 + 6488^2 .

It is a cyclic number.

It is not a de Polignac number, because 45202313 - 2⁶ = 45202249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45202343) 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, 1738538 + ... + 1738563.

It is an arithmetic number, because the mean of its divisors is an integer number (12169857).

Almost surely, 2^45202313 is an apocalyptic number.

It is an amenable number.

45202313 is a deficient number, since it is larger than the sum of its proper divisors (3477115).

45202313 is a wasteful number, since it uses less digits than its factorization.

45202313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3477114.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 45202313 is about 6723.2665423885. The cubic root of 45202313 is about 356.2215749148.

Adding to 45202313 its reverse (31320254), we get a palindrome (76522567).

The spelling of 45202313 in words is "forty-five million, two hundred two thousand, three hundred thirteen".