4045555 has 8 divisors (see below), whose sum is σ = 4903344. Its totient is φ = 3204000.

The previous prime is 4045549. The next prime is 4045567. The reversal of 4045555 is 5555404.

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

It is not a de Polignac number, because 4045555 - 2⁵ = 4045523 is a prime.

It is a Duffinian number.

4045555 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3501 + ... + 4510.

It is an arithmetic number, because the mean of its divisors is an integer number (612918).

Almost surely, 2^4045555 is an apocalyptic number.

4045555 is a deficient number, since it is larger than the sum of its proper divisors (857789).

4045555 is a wasteful number, since it uses less digits than its factorization.

4045555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8117.

The product of its (nonzero) digits is 10000, while the sum is 28.

The square root of 4045555 is about 2011.3565074347. The cubic root of 4045555 is about 159.3404490013.

The spelling of 4045555 in words is "four million, forty-five thousand, five hundred fifty-five".