45749478 has 8 divisors (see below), whose sum is σ = 91498968. Its totient is φ = 15249824.

The previous prime is 45749477. The next prime is 45749479. The reversal of 45749478 is 87494754.

45749478 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (45749477) and next prime (45749479).

It is a sphenic number, since it is the product of 3 distinct primes.

45749478 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45749477) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3812451 + ... + 3812462.

It is an arithmetic number, because the mean of its divisors is an integer number (11437371).

Almost surely, 2^45749478 is an apocalyptic number.

45749478 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45749478 is a wasteful number, since it uses less digits than its factorization.

45749478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7624918.

The product of its digits is 1128960, while the sum is 48.

The square root of 45749478 is about 6763.8360417739. The cubic root of 45749478 is about 357.6531444871.

The spelling of 45749478 in words is "forty-five million, seven hundred forty-nine thousand, four hundred seventy-eight".