1451905056 has 144 divisors (see below), whose sum is σ = 4776093504. Its totient is φ = 409784832.

The previous prime is 1451905033. The next prime is 1451905073. The reversal of 1451905056 is 6505091541.

1451905056 is a `hidden beast` number, since 14 + 51 + 90 + 505 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

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

It is a self number, because there is not a number n which added to its sum of digits gives 1451905056.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 162990 + ... + 171666.

It is an arithmetic number, because the mean of its divisors is an integer number (33167316).

Almost surely, 2^1451905056 is an apocalyptic number.

1451905056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1451905056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2388046752).

1451905056 is an abundant number, since it is smaller than the sum of its proper divisors (3324188448).

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

1451905056 is a wasteful number, since it uses less digits than its factorization.

1451905056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8783 (or 8772 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 36.

The square root of 1451905056 is about 38103.8719292410. The cubic root of 1451905056 is about 1132.3466663741.

Adding to 1451905056 its reverse (6505091541), we get a palindrome (7956996597).

The spelling of 1451905056 in words is "one billion, four hundred fifty-one million, nine hundred five thousand, fifty-six".