1452215865 has 8 divisors (see below), whose sum is σ = 2323545408. Its totient is φ = 774515120.

The previous prime is 1452215857. The next prime is 1452215903. The reversal of 1452215865 is 5685122541.

1452215865 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1452215865 - 2³ = 1452215857 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48407181 + ... + 48407210.

It is an arithmetic number, because the mean of its divisors is an integer number (290443176).

Almost surely, 2^1452215865 is an apocalyptic number.

1452215865 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1452215865 is a deficient number, since it is larger than the sum of its proper divisors (871329543).

1452215865 is an equidigital number, since it uses as much as digits as its factorization.

1452215865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96814399.

The product of its digits is 96000, while the sum is 39.

The square root of 1452215865 is about 38107.9501547905. The cubic root of 1452215865 is about 1132.4274610108.

The spelling of 1452215865 in words is "one billion, four hundred fifty-two million, two hundred fifteen thousand, eight hundred sixty-five".