45781067 has 4 divisors (see below), whose sum is σ = 45861816. Its totient is φ = 45700320.

The previous prime is 45781061. The next prime is 45781081. The reversal of 45781067 is 76018754.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 45781067 - 2¹⁰ = 45780043 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 45781067.

It is not an unprimeable number, because it can be changed into a prime (45781061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39518 + ... + 40659.

It is an arithmetic number, because the mean of its divisors is an integer number (11465454).

Almost surely, 2^45781067 is an apocalyptic number.

45781067 is a deficient number, since it is larger than the sum of its proper divisors (80749).

45781067 is an equidigital number, since it uses as much as digits as its factorization.

45781067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80748.

The product of its (nonzero) digits is 47040, while the sum is 38.

The square root of 45781067 is about 6766.1707782172. The cubic root of 45781067 is about 357.7354427366.

The spelling of 45781067 in words is "forty-five million, seven hundred eighty-one thousand, sixty-seven".