45026645 has 4 divisors (see below), whose sum is σ = 54031980. Its totient is φ = 36021312.

The previous prime is 45026623. The next prime is 45026699. The reversal of 45026645 is 54662054.

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 35129329 + 9897316 = 5927^2 + 3146^2 .

It is a cyclic number.

It is not a de Polignac number, because 45026645 - 2⁶ = 45026581 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4502660 + ... + 4502669.

It is an arithmetic number, because the mean of its divisors is an integer number (13507995).

Almost surely, 2^45026645 is an apocalyptic number.

It is an amenable number.

45026645 is a deficient number, since it is larger than the sum of its proper divisors (9005335).

45026645 is an equidigital number, since it uses as much as digits as its factorization.

45026645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9005334.

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 45026645 is about 6710.1896396451. The cubic root of 45026645 is about 355.7595191325.

Adding to 45026645 its reverse (54662054), we get a palindrome (99688699).

The spelling of 45026645 in words is "forty-five million, twenty-six thousand, six hundred forty-five".