451225151244 has 108 divisors (see below), whose sum is σ = 1327544762544. Its totient is φ = 128850740928.

The previous prime is 451225151239. The next prime is 451225151261. The reversal of 451225151244 is 442151522154.

451225151244 is a `hidden beast` number, since 4 + 5 + 12 + 2 + 515 + 124 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 451225151199 and 451225151208.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3188862 + ... + 3327354.

Almost surely, 2^451225151244 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 451225151244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (663772381272).

451225151244 is an abundant number, since it is smaller than the sum of its proper divisors (876319611300).

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

451225151244 is a wasteful number, since it uses less digits than its factorization.

451225151244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140364 (or 140352 counting only the distinct ones).

The product of its digits is 64000, while the sum is 36.

Adding to 451225151244 its reverse (442151522154), we get a palindrome (893376673398).

The spelling of 451225151244 in words is "four hundred fifty-one billion, two hundred twenty-five million, one hundred fifty-one thousand, two hundred forty-four".