1145447049 has 8 divisors (see below), whose sum is σ = 1534501792. Its totient is φ = 760011840.

The previous prime is 1145447041. The next prime is 1145447071. The reversal of 1145447049 is 9407445411.

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

It is not a de Polignac number, because 1145447049 - 2³ = 1145447041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1145446998 and 1145447016.

It is not an unprimeable number, because it can be changed into a prime (1145447041) 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, 904144 + ... + 905409.

It is an arithmetic number, because the mean of its divisors is an integer number (191812724).

Almost surely, 2^1145447049 is an apocalyptic number.

It is an amenable number.

1145447049 is a deficient number, since it is larger than the sum of its proper divisors (389054743).

1145447049 is a wasteful number, since it uses less digits than its factorization.

1145447049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1809767.

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 1145447049 is about 33844.4537406057. The cubic root of 1145447049 is about 1046.3050928425.

The spelling of 1145447049 in words is "one billion, one hundred forty-five million, four hundred forty-seven thousand, forty-nine".