45781582 has 32 divisors (see below), whose sum is σ = 87379200. Its totient is φ = 17834040.

The previous prime is 45781579. The next prime is 45781601. The reversal of 45781582 is 28518754.

45781582 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4513 + ... + 10579.

It is an arithmetic number, because the mean of its divisors is an integer number (2730600).

Almost surely, 2^45781582 is an apocalyptic number.

45781582 is a deficient number, since it is larger than the sum of its proper divisors (41597618).

45781582 is a wasteful number, since it uses less digits than its factorization.

45781582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6101 (or 6087 counting only the distinct ones).

The product of its digits is 89600, while the sum is 40.

The square root of 45781582 is about 6766.2088350863. The cubic root of 45781582 is about 357.7367841431.

The spelling of 45781582 in words is "forty-five million, seven hundred eighty-one thousand, five hundred eighty-two".