45159478 has 24 divisors (see below), whose sum is σ = 84862512. Its totient is φ = 17864784.

The previous prime is 45159461. The next prime is 45159493. The reversal of 45159478 is 87495154.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 16450 + ... + 18997.

It is an arithmetic number, because the mean of its divisors is an integer number (3535938).

Almost surely, 2^45159478 is an apocalyptic number.

45159478 is a deficient number, since it is larger than the sum of its proper divisors (39703034).

45159478 is a wasteful number, since it uses less digits than its factorization.

45159478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35476 (or 35469 counting only the distinct ones).

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

The square root of 45159478 is about 6720.0802078547. The cubic root of 45159478 is about 356.1090174476.

The spelling of 45159478 in words is "forty-five million, one hundred fifty-nine thousand, four hundred seventy-eight".