1455522545 has 8 divisors (see below), whose sum is σ = 1770553896. Its totient is φ = 1148466816.

The previous prime is 1455522533. The next prime is 1455522559. The reversal of 1455522545 is 5452255541.

It can be written as a sum of positive squares in 4 ways, for example, as 35664784 + 1419857761 = 5972^2 + 37681^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1455522545 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1455522499 and 1455522508.

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, 1993502 + ... + 1994231.

It is an arithmetic number, because the mean of its divisors is an integer number (221319237).

Almost surely, 2^1455522545 is an apocalyptic number.

It is an amenable number.

1455522545 is a deficient number, since it is larger than the sum of its proper divisors (315031351).

1455522545 is an equidigital number, since it uses as much as digits as its factorization.

1455522545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3987811.

The product of its digits is 200000, while the sum is 38.

The square root of 1455522545 is about 38151.3111832346. The cubic root of 1455522545 is about 1133.2863178785.

The spelling of 1455522545 in words is "one billion, four hundred fifty-five million, five hundred twenty-two thousand, five hundred forty-five".