45180202 has 12 divisors (see below), whose sum is σ = 70190406. Its totient is φ = 21810320.

The previous prime is 45180193. The next prime is 45180209. The reversal of 45180202 is 20208154.

45180202 is nontrivially palindromic in base 8.

It can be written as a sum of positive squares in 3 ways, for example, as 27363361 + 17816841 = 5231^2 + 4221^2 .

It is not an unprimeable number, because it can be changed into a prime (45180209) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11749 + ... + 15112.

Almost surely, 2^45180202 is an apocalyptic number.

45180202 is a deficient number, since it is larger than the sum of its proper divisors (25010204).

45180202 is a wasteful number, since it uses less digits than its factorization.

45180202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26921 (or 26892 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 45180202 is about 6721.6219768743. The cubic root of 45180202 is about 356.1634827558.

Adding to 45180202 its reverse (20208154), we get a palindrome (65388356).

The spelling of 45180202 in words is "forty-five million, one hundred eighty thousand, two hundred two".