1145847679 has 8 divisors (see below), whose sum is σ = 1162895360. Its totient is φ = 1128863736.

The previous prime is 1145847667. The next prime is 1145847691. The reversal of 1145847679 is 9767485411.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1145847667) and next prime (1145847691).

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-1145847679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145847979) 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, 20914 + ... + 52240.

It is an arithmetic number, because the mean of its divisors is an integer number (145361920).

Almost surely, 2^1145847679 is an apocalyptic number.

1145847679 is a deficient number, since it is larger than the sum of its proper divisors (17047681).

1145847679 is an equidigital number, since it uses as much as digits as its factorization.

1145847679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31869.

The product of its digits is 1693440, while the sum is 52.

The square root of 1145847679 is about 33850.3719181932. The cubic root of 1145847679 is about 1046.4270633717.

The spelling of 1145847679 in words is "one billion, one hundred forty-five million, eight hundred forty-seven thousand, six hundred seventy-nine".