45248945 has 16 divisors (see below), whose sum is σ = 62270208. Its totient is φ = 30920640.

The previous prime is 45248927. The next prime is 45248947. The reversal of 45248945 is 54984254.

45248945 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 45248945 - 2⁶ = 45248881 is a prime.

It is a super-2 number, since 2×45248945² = 4094934047226050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45248947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8807 + ... + 12963.

It is an arithmetic number, because the mean of its divisors is an integer number (3891888).

Almost surely, 2^45248945 is an apocalyptic number.

It is an amenable number.

45248945 is a deficient number, since it is larger than the sum of its proper divisors (17021263).

45248945 is a wasteful number, since it uses less digits than its factorization.

45248945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4480.

The product of its digits is 230400, while the sum is 41.

The square root of 45248945 is about 6726.7336055473. The cubic root of 45248945 is about 356.3440289399.

The spelling of 45248945 in words is "forty-five million, two hundred forty-eight thousand, nine hundred forty-five".