45025245 has 24 divisors (see below), whose sum is σ = 78553176. Its totient is φ = 23856768.

The previous prime is 45025243. The next prime is 45025247. The reversal of 45025245 is 54252054.

It is an interprime number because it is at equal distance from previous prime (45025243) and next prime (45025247).

It can be written as a sum of positive squares in 4 ways, for example, as 6610041 + 38415204 = 2571^2 + 6198^2 .

It is not a de Polignac number, because 45025245 - 2¹ = 45025243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45025241) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3879 + ... + 10251.

It is an arithmetic number, because the mean of its divisors is an integer number (3273049).

Almost surely, 2^45025245 is an apocalyptic number.

45025245 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

45025245 is a deficient number, since it is larger than the sum of its proper divisors (33527931).

45025245 is a wasteful number, since it uses less digits than its factorization.

45025245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6541 (or 6538 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 27.

The square root of 45025245 is about 6710.0853198749. The cubic root of 45025245 is about 355.7558319196.

Adding to 45025245 its reverse (54252054), we get a palindrome (99277299).

The spelling of 45025245 in words is "forty-five million, twenty-five thousand, two hundred forty-five".