45631546 has 16 divisors (see below), whose sum is σ = 69546600. Its totient is φ = 22451968.

The previous prime is 45631543. The next prime is 45631561. The reversal of 45631546 is 64513654.

It can be written as a sum of positive squares in 4 ways, for example, as 19263321 + 26368225 = 4389^2 + 5135^2 .

It is not an unprimeable number, because it can be changed into a prime (45631543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47406 + ... + 48358.

Almost surely, 2^45631546 is an apocalyptic number.

45631546 is a deficient number, since it is larger than the sum of its proper divisors (23915054).

45631546 is a wasteful number, since it uses less digits than its factorization.

45631546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1313.

The product of its digits is 43200, while the sum is 34.

The square root of 45631546 is about 6755.1125823335. The cubic root of 45631546 is about 357.3455632355.

The spelling of 45631546 in words is "forty-five million, six hundred thirty-one thousand, five hundred forty-six".