45322245 has 12 divisors (see below), whose sum is σ = 78558636. Its totient is φ = 24171840.

The previous prime is 45322243. The next prime is 45322247. The reversal of 45322245 is 54222354.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (45322243) and next prime (45322247).

It can be written as a sum of positive squares in 2 ways, for example, as 10074276 + 35247969 = 3174^2 + 5937^2 .

It is not a de Polignac number, because 45322245 - 2¹ = 45322243 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45322243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 503536 + ... + 503625.

It is an arithmetic number, because the mean of its divisors is an integer number (6546553).

Almost surely, 2^45322245 is an apocalyptic number.

45322245 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

45322245 is a deficient number, since it is larger than the sum of its proper divisors (33236391).

45322245 is a wasteful number, since it uses less digits than its factorization.

45322245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1007172 (or 1007169 counting only the distinct ones).

The product of its digits is 9600, while the sum is 27.

The square root of 45322245 is about 6732.1798104329. The cubic root of 45322245 is about 356.5363422695.

Adding to 45322245 its reverse (54222354), we get a palindrome (99544599).

It can be divided in two parts, 4 and 5322245, that added together give a square (5322249 = 2307²).

The spelling of 45322245 in words is "forty-five million, three hundred twenty-two thousand, two hundred forty-five".