1452873505 has 4 divisors (see below), whose sum is σ = 1743448212. Its totient is φ = 1162298800.

The previous prime is 1452873503. The next prime is 1452873553. The reversal of 1452873505 is 5053782541.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 748077201 + 704796304 = 27351^2 + 26548^2 .

It is not a de Polignac number, because 1452873505 - 2¹ = 1452873503 is a prime.

It is a super-2 number, since 2×1452873505² = 4221682843061970050, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1452873503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145287346 + ... + 145287355.

It is an arithmetic number, because the mean of its divisors is an integer number (435862053).

Almost surely, 2^1452873505 is an apocalyptic number.

It is an amenable number.

1452873505 is a deficient number, since it is larger than the sum of its proper divisors (290574707).

1452873505 is an equidigital number, since it uses as much as digits as its factorization.

1452873505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290574706.

The product of its (nonzero) digits is 168000, while the sum is 40.

The square root of 1452873505 is about 38116.5778238288. The cubic root of 1452873505 is about 1132.5983761904.

The spelling of 1452873505 in words is "one billion, four hundred fifty-two million, eight hundred seventy-three thousand, five hundred five".