1452051540 has 72 divisors (see below), whose sum is σ = 4427022600. Its totient is φ = 385238784.

The previous prime is 1452051539. The next prime is 1452051607. The reversal of 1452051540 is 451502541.

1452051540 is a `hidden beast` number, since 145 + 2 + 0 + 515 + 4 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 488321604 + 963729936 = 22098^2 + 31044^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14986 + ... + 55934.

It is an arithmetic number, because the mean of its divisors is an integer number (61486425).

Almost surely, 2^1452051540 is an apocalyptic number.

1452051540 is a gapful number since it is divisible by the number (10) 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 1452051540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2213511300).

1452051540 is an abundant number, since it is smaller than the sum of its proper divisors (2974971060).

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

1452051540 is a wasteful number, since it uses less digits than its factorization.

1452051540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41161 (or 41156 counting only the distinct ones).

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

The square root of 1452051540 is about 38105.7940476248. The cubic root of 1452051540 is about 1132.3847462496.

The spelling of 1452051540 in words is "one billion, four hundred fifty-two million, fifty-one thousand, five hundred forty".