1455952865 has 4 divisors (see below), whose sum is σ = 1747143444. Its totient is φ = 1164762288.

The previous prime is 1455952837. The next prime is 1455952891. The reversal of 1455952865 is 5682595541.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5682595541 = 7 ⋅811799363.

It can be written as a sum of positive squares in 2 ways, for example, as 263770081 + 1192182784 = 16241^2 + 34528^2 .

It is a cyclic number.

It is not a de Polignac number, because 1455952865 - 2²⁰ = 1454904289 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145595282 + ... + 145595291.

It is an arithmetic number, because the mean of its divisors is an integer number (436785861).

Almost surely, 2^1455952865 is an apocalyptic number.

It is an amenable number.

1455952865 is a deficient number, since it is larger than the sum of its proper divisors (291190579).

1455952865 is an equidigital number, since it uses as much as digits as its factorization.

1455952865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291190578.

The product of its digits is 2160000, while the sum is 50.

The square root of 1455952865 is about 38156.9504153568. The cubic root of 1455952865 is about 1133.3979908806.

The spelling of 1455952865 in words is "one billion, four hundred fifty-five million, nine hundred fifty-two thousand, eight hundred sixty-five".