4540455 has 48 divisors (see below), whose sum is σ = 8465184. Its totient is φ = 2332800.

The previous prime is 4540439. The next prime is 4540469. The reversal of 4540455 is 5540454.

It is not a de Polignac number, because 4540455 - 2⁴ = 4540439 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 44905 + ... + 45005.

It is an arithmetic number, because the mean of its divisors is an integer number (176358).

Almost surely, 2^4540455 is an apocalyptic number.

4540455 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

4540455 is a deficient number, since it is larger than the sum of its proper divisors (3924729).

4540455 is a wasteful number, since it uses less digits than its factorization.

4540455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158 (or 146 counting only the distinct ones).

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

The square root of 4540455 is about 2130.8343436316. The cubic root of 4540455 is about 165.5896260042.

Subtracting 4540455 from its reverse (5540454), we obtain a palindrome (999999).

The spelling of 4540455 in words is "four million, five hundred forty thousand, four hundred fifty-five".