4045455 has 12 divisors (see below), whose sum is σ = 7012200. Its totient is φ = 2157552.

The previous prime is 4045421. The next prime is 4045501. The reversal of 4045455 is 5545404.

It is not a de Polignac number, because 4045455 - 2¹⁰ = 4044431 is a prime.

It is a nialpdrome in base 14.

It is a zygodrome in base 14.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44905 + ... + 44994.

It is an arithmetic number, because the mean of its divisors is an integer number (584350).

Almost surely, 2^4045455 is an apocalyptic number.

4045455 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

4045455 is a deficient number, since it is larger than the sum of its proper divisors (2966745).

4045455 is a wasteful number, since it uses less digits than its factorization.

4045455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89910 (or 89907 counting only the distinct ones).

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

The square root of 4045455 is about 2011.3316484359. The cubic root of 4045455 is about 159.3391361055.

It can be divided in two parts, 404545 and 5, that added together give a triangular number (404550 = T₈₉₉).

The spelling of 4045455 in words is "four million, forty-five thousand, four hundred fifty-five".