45781066 has 16 divisors (see below), whose sum is σ = 69750720. Its totient is φ = 22533280.

The previous prime is 45781061. The next prime is 45781081. The reversal of 45781066 is 66018754.

It is a super-3 number, since 3×45781066³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (45781061) 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, 54945 + ... + 55771.

It is an arithmetic number, because the mean of its divisors is an integer number (4359420).

Almost surely, 2^45781066 is an apocalyptic number.

45781066 is a deficient number, since it is larger than the sum of its proper divisors (23969654).

45781066 is a wasteful number, since it uses less digits than its factorization.

45781066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1229.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 45781066 is about 6766.1707043201. The cubic root of 45781066 is about 357.7354401319.

The spelling of 45781066 in words is "forty-five million, seven hundred eighty-one thousand, sixty-six".