1145608449 has 16 divisors (see below), whose sum is σ = 1594678272. Its totient is φ = 730171728.

The previous prime is 1145608367. The next prime is 1145608463. The reversal of 1145608449 is 9448065411.

It is not a de Polignac number, because 1145608449 - 2²⁵ = 1112054017 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1145608449.

It is not an unprimeable number, because it can be changed into a prime (1145608649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 246582 + ... + 251184.

It is an arithmetic number, because the mean of its divisors is an integer number (99667392).

Almost surely, 2^1145608449 is an apocalyptic number.

It is an amenable number.

1145608449 is a deficient number, since it is larger than the sum of its proper divisors (449069823).

1145608449 is a wasteful number, since it uses less digits than its factorization.

1145608449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8236.

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 1145608449 is about 33846.8380945695. The cubic root of 1145608449 is about 1046.3542339794.

The spelling of 1145608449 in words is "one billion, one hundred forty-five million, six hundred eight thousand, four hundred forty-nine".