45454785 has 32 divisors (see below), whose sum is σ = 76308480. Its totient is φ = 23060928.

The previous prime is 45454733. The next prime is 45454789. The reversal of 45454785 is 58745454.

It is a happy number.

45454785 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 45454785 - 2⁷ = 45454657 is a prime.

It is a super-2 number, since 2×45454785² = 4132274958792450, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (45454789) 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 31 ways as a sum of consecutive naturals, for example, 123672 + ... + 124038.

It is an arithmetic number, because the mean of its divisors is an integer number (2384640).

Almost surely, 2^45454785 is an apocalyptic number.

45454785 is the 5505-th pentagonal number.

It is an amenable number.

45454785 is a deficient number, since it is larger than the sum of its proper divisors (30853695).

45454785 is a wasteful number, since it uses less digits than its factorization.

45454785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 757.

The product of its digits is 448000, while the sum is 42.

The square root of 45454785 is about 6742.0163897754. The cubic root of 45454785 is about 356.8835546750.

The spelling of 45454785 in words is "forty-five million, four hundred fifty-four thousand, seven hundred eighty-five".