45402245 has 16 divisors (see below), whose sum is σ = 63020160. Its totient is φ = 30755904.

The previous prime is 45402241. The next prime is 45402251. The reversal of 45402245 is 54220454.

It is a cyclic number.

It is not a de Polignac number, because 45402245 - 2² = 45402241 is a prime.

It is a super-2 number, since 2×45402245² = 4122727702080050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45402241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4910 + ... + 10719.

It is an arithmetic number, because the mean of its divisors is an integer number (3938760).

Almost surely, 2^45402245 is an apocalyptic number.

It is an amenable number.

45402245 is a deficient number, since it is larger than the sum of its proper divisors (17617915).

45402245 is a wasteful number, since it uses less digits than its factorization.

45402245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15724.

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 45402245 is about 6738.1188027520. The cubic root of 45402245 is about 356.7459975321.

Adding to 45402245 its reverse (54220454), we get a palindrome (99622699).

The spelling of 45402245 in words is "forty-five million, four hundred two thousand, two hundred forty-five".