45478541 has 2 divisors, whose sum is σ = 45478542. Its totient is φ = 45478540.

The previous prime is 45478529. The next prime is 45478561. The reversal of 45478541 is 14587454.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35581225 + 9897316 = 5965^2 + 3146^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45478541 is a prime.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

It is equal to p_2745488 and since 45478541 and 2745488 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 45478495 and 45478504.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45478561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22739270 + 22739271.

It is an arithmetic number, because the mean of its divisors is an integer number (22739271).

Almost surely, 2^45478541 is an apocalyptic number.

It is an amenable number.

45478541 is a deficient number, since it is larger than the sum of its proper divisors (1).

45478541 is an equidigital number, since it uses as much as digits as its factorization.

45478541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 89600, while the sum is 38.

The square root of 45478541 is about 6743.7779471154. Note that the first 3 decimals coincide. The cubic root of 45478541 is about 356.9457164415.

The spelling of 45478541 in words is "forty-five million, four hundred seventy-eight thousand, five hundred forty-one".