455220045 has 72 divisors (see below), whose sum is σ = 921922560. Its totient is φ = 207184320.

The previous prime is 455220037. The next prime is 455220061. The reversal of 455220045 is 540022554.

455220045 is a `hidden beast` number, since 455 + 2 + 200 + 4 + 5 = 666.

It is not a de Polignac number, because 455220045 - 2³ = 455220037 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 950116 + ... + 950594.

It is an arithmetic number, because the mean of its divisors is an integer number (12804480).

Almost surely, 2^455220045 is an apocalyptic number.

455220045 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

455220045 is an abundant number, since it is smaller than the sum of its proper divisors (466702515).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

455220045 is a wasteful number, since it uses less digits than its factorization.

455220045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 935 (or 925 counting only the distinct ones).

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

The square root of 455220045 is about 21335.8863185948. The cubic root of 455220045 is about 769.2611369716.

Adding to 455220045 its reverse (540022554), we get a palindrome (995242599).

It can be divided in two parts, 45522004 and 5, that added together give a square (45522009 = 6747²).

The spelling of 455220045 in words is "four hundred fifty-five million, two hundred twenty thousand, forty-five".