4054545 has 24 divisors (see below), whose sum is σ = 7667712. Its totient is φ = 1965600.

The previous prime is 4054537. The next prime is 4054559. The reversal of 4054545 is 5454504.

It is not a de Polignac number, because 4054545 - 2³ = 4054537 is a prime.

4054545 is a modest number, since divided by 4545 gives 405 as remainder.

It is a Curzon number.

4054545 is a lucky number.

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 23 ways as a sum of consecutive naturals, for example, 3601 + ... + 4590.

It is an arithmetic number, because the mean of its divisors is an integer number (319488).

Almost surely, 2^4054545 is an apocalyptic number.

4054545 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4054545 is a deficient number, since it is larger than the sum of its proper divisors (3613167).

4054545 is a wasteful number, since it uses less digits than its factorization.

4054545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8213 (or 8210 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 27.

The square root of 4054545 is about 2013.5900774487. The cubic root of 4054545 is about 159.4583900394.

It can be divided in two parts, 405 and 4545, that added together give a triangular number (4950 = T₉₉).

The spelling of 4054545 in words is "four million, fifty-four thousand, five hundred forty-five".