1455193609 has 9 divisors (see below), whose sum is σ = 1497038151. Its totient is φ = 1414490760.

The previous prime is 1455193561. The next prime is 1455193643. The reversal of 1455193609 is 9063915541.

The square root of 1455193609 is 38147.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1302127225 + 153066384 = 36085^2 + 12372^2 .

It is not a de Polignac number, because 1455193609 - 2⁹ = 1455193097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1455193009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1410924 + ... + 1411954.

Almost surely, 2^1455193609 is an apocalyptic number.

1455193609 is the 38147-th square number.

1455193609 is the 19074-th centered octagonal number.

It is an amenable number.

1455193609 is a deficient number, since it is larger than the sum of its proper divisors (41844542).

1455193609 is an frugal number, since it uses more digits than its factorization.

1455193609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2136 (or 1068 counting only the distinct ones).

The product of its (nonzero) digits is 145800, while the sum is 43.

The cubic root of 1455193609 is about 1133.2009403499.

The spelling of 1455193609 in words is "one billion, four hundred fifty-five million, one hundred ninety-three thousand, six hundred nine".