455642145 has 64 divisors (see below), whose sum is σ = 938926080. Its totient is φ = 205329600.

The previous prime is 455642137. The next prime is 455642179. The reversal of 455642145 is 541246554.

455642145 is a `hidden beast` number, since 4 + 5 + 5 + 642 + 1 + 4 + 5 = 666.

It is not a de Polignac number, because 455642145 - 2³ = 455642137 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 63700 + ... + 70490.

It is an arithmetic number, because the mean of its divisors is an integer number (14670720).

Almost surely, 2^455642145 is an apocalyptic number.

455642145 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

455642145 is an abundant number, since it is smaller than the sum of its proper divisors (483283935).

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

455642145 is a wasteful number, since it uses less digits than its factorization.

455642145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6883 (or 6877 counting only the distinct ones).

The product of its digits is 96000, while the sum is 36.

The square root of 455642145 is about 21345.7758116214. The cubic root of 455642145 is about 769.4988277477.

Adding to 455642145 its reverse (541246554), we get a palindrome (996888699).

The spelling of 455642145 in words is "four hundred fifty-five million, six hundred forty-two thousand, one hundred forty-five".