1455952109 has 8 divisors (see below), whose sum is σ = 1495814520. Its totient is φ = 1416116736.

The previous prime is 1455952073. The next prime is 1455952139. The reversal of 1455952109 is 9012595541.

It can be written as a sum of positive squares in 4 ways, for example, as 134629609 + 1321322500 = 11603^2 + 36350^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 1455952109 - 2²⁰ = 1454903533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1455952139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153497 + ... + 162705.

It is an arithmetic number, because the mean of its divisors is an integer number (186976815).

Almost surely, 2^1455952109 is an apocalyptic number.

It is an amenable number.

1455952109 is a deficient number, since it is larger than the sum of its proper divisors (39862411).

1455952109 is an equidigital number, since it uses as much as digits as its factorization.

1455952109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13519.

The product of its (nonzero) digits is 81000, while the sum is 41.

The square root of 1455952109 is about 38156.9405089035. The cubic root of 1455952109 is about 1133.3977947091.

The spelling of 1455952109 in words is "one billion, four hundred fifty-five million, nine hundred fifty-two thousand, one hundred nine".