45025445 has 4 divisors (see below), whose sum is σ = 54030540. Its totient is φ = 36020352.

The previous prime is 45025433. The next prime is 45025447. The reversal of 45025445 is 54452054.

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 32058244 + 12967201 = 5662^2 + 3601^2 .

It is a cyclic number.

It is not a de Polignac number, because 45025445 - 2¹⁴ = 45009061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45025447) 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, 4502540 + ... + 4502549.

It is an arithmetic number, because the mean of its divisors is an integer number (13507635).

Almost surely, 2^45025445 is an apocalyptic number.

It is an amenable number.

45025445 is a deficient number, since it is larger than the sum of its proper divisors (9005095).

45025445 is an equidigital number, since it uses as much as digits as its factorization.

45025445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9005094.

The product of its (nonzero) digits is 16000, while the sum is 29.

The square root of 45025445 is about 6710.1002227985. The cubic root of 45025445 is about 355.7563586690.

Adding to 45025445 its reverse (54452054), we get a palindrome (99477499).

The spelling of 45025445 in words is "forty-five million, twenty-five thousand, four hundred forty-five".