45384457 has 4 divisors (see below), whose sum is σ = 45852436. Its totient is φ = 44916480.

The previous prime is 45384431. The next prime is 45384463. The reversal of 45384457 is 75448354.

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

It can be written as a sum of positive squares in 2 ways, for example, as 37650496 + 7733961 = 6136^2 + 2781^2 .

It is a cyclic number.

It is not a de Polignac number, because 45384457 - 2⁷ = 45384329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45384467) 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, 233844 + ... + 234037.

It is an arithmetic number, because the mean of its divisors is an integer number (11463109).

Almost surely, 2^45384457 is an apocalyptic number.

It is an amenable number.

45384457 is a deficient number, since it is larger than the sum of its proper divisors (467979).

45384457 is an equidigital number, since it uses as much as digits as its factorization.

45384457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467978.

The product of its digits is 268800, while the sum is 40.

The square root of 45384457 is about 6736.7987204606. The cubic root of 45384457 is about 356.6994019895.

The spelling of 45384457 in words is "forty-five million, three hundred eighty-four thousand, four hundred fifty-seven".