45194578 has 32 divisors (see below), whose sum is σ = 83845440. Its totient is φ = 17962560.

The previous prime is 45194549. The next prime is 45194623. The reversal of 45194578 is 87549154.

45194578 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 1276 + ... + 9592.

It is an arithmetic number, because the mean of its divisors is an integer number (2620170).

Almost surely, 2^45194578 is an apocalyptic number.

45194578 is a deficient number, since it is larger than the sum of its proper divisors (38650862).

45194578 is a wasteful number, since it uses less digits than its factorization.

45194578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8362.

The product of its digits is 201600, while the sum is 43.

The square root of 45194578 is about 6722.6912765648. The cubic root of 45194578 is about 356.2012549290.

The spelling of 45194578 in words is "forty-five million, one hundred ninety-four thousand, five hundred seventy-eight".