451142055 has 80 divisors (see below), whose sum is σ = 995421504. Its totient is φ = 190356480.

The previous prime is 451141993. The next prime is 451142059. The reversal of 451142055 is 550241154.

451142055 is a `hidden beast` number, since 451 + 1 + 4 + 205 + 5 = 666.

It is not a de Polignac number, because 451142055 - 2⁷ = 451141927 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 not an unprimeable number, because it can be changed into a prime (451142059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 30735 + ... + 42975.

Almost surely, 2^451142055 is an apocalyptic number.

451142055 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

451142055 is an abundant number, since it is smaller than the sum of its proper divisors (544279449).

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

451142055 is a wasteful number, since it uses less digits than its factorization.

451142055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12278 (or 12269 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 451142055 is about 21240.1048726225. The cubic root of 451142055 is about 766.9571569849.

Subtracting 451142055 from its reverse (550241154), we obtain a palindrome (99099099).

The spelling of 451142055 in words is "four hundred fifty-one million, one hundred forty-two thousand, fifty-five".