1452417985 has 4 divisors (see below), whose sum is σ = 1742901588. Its totient is φ = 1161934384.

The previous prime is 1452417979. The next prime is 1452418043. The reversal of 1452417985 is 5897142541.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5897142541 = 18439 ⋅319819.

It can be written as a sum of positive squares in 2 ways, for example, as 787139136 + 665278849 = 28056^2 + 25793^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1452417985 is a prime.

It is a Duffinian 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 3 ways as a sum of consecutive naturals, for example, 145241794 + ... + 145241803.

It is an arithmetic number, because the mean of its divisors is an integer number (435725397).

Almost surely, 2^1452417985 is an apocalyptic number.

It is an amenable number.

1452417985 is a deficient number, since it is larger than the sum of its proper divisors (290483603).

1452417985 is an equidigital number, since it uses as much as digits as its factorization.

1452417985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290483602.

The product of its digits is 403200, while the sum is 46.

The square root of 1452417985 is about 38110.6020025924. The cubic root of 1452417985 is about 1132.4799958132.

The spelling of 1452417985 in words is "one billion, four hundred fifty-two million, four hundred seventeen thousand, nine hundred eighty-five".