45782945 has 12 divisors (see below), whose sum is σ = 59491836. Its totient is φ = 33808320.

The previous prime is 45782941. The next prime is 45782959. The reversal of 45782945 is 54928754.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 24512401 + 21270544 = 4951^2 + 4612^2 .

It is not a de Polignac number, because 45782945 - 2² = 45782941 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 45782896 and 45782905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45782941) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26246 + ... + 27935.

It is an arithmetic number, because the mean of its divisors is an integer number (4957653).

Almost surely, 2^45782945 is an apocalyptic number.

It is an amenable number.

45782945 is a deficient number, since it is larger than the sum of its proper divisors (13708891).

45782945 is a wasteful number, since it uses less digits than its factorization.

45782945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54212 (or 54199 counting only the distinct ones).

The product of its digits is 403200, while the sum is 44.

The square root of 45782945 is about 6766.3095554371. The cubic root of 45782945 is about 357.7403342636.

The spelling of 45782945 in words is "forty-five million, seven hundred eighty-two thousand, nine hundred forty-five".