1147151245 has 8 divisors (see below), whose sum is σ = 1457556984. Its totient is φ = 863737344.

The previous prime is 1147151237. The next prime is 1147151261. The reversal of 1147151245 is 5421517411.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 251825161 + 895326084 = 15869^2 + 29922^2 .

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 1147151245 - 2³ = 1147151237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6747864 + ... + 6748033.

It is an arithmetic number, because the mean of its divisors is an integer number (182194623).

Almost surely, 2^1147151245 is an apocalyptic number.

It is an amenable number.

1147151245 is a deficient number, since it is larger than the sum of its proper divisors (310405739).

1147151245 is a wasteful number, since it uses less digits than its factorization.

1147151245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13495919.

The product of its digits is 5600, while the sum is 31.

The square root of 1147151245 is about 33869.6212703951. The cubic root of 1147151245 is about 1046.8237332524.

Adding to 1147151245 its reverse (5421517411), we get a palindrome (6568668656).

The spelling of 1147151245 in words is "one billion, one hundred forty-seven million, one hundred fifty-one thousand, two hundred forty-five".