1145395047 has 8 divisors (see below), whose sum is σ = 1527571440. Its totient is φ = 763407680.

The previous prime is 1145395021. The next prime is 1145395057. The reversal of 1145395047 is 7405935411.

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 1145395047 - 2⁷ = 1145394919 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1145394996 and 1145395014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145395057) 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, 32454 + ... + 57827.

It is an arithmetic number, because the mean of its divisors is an integer number (190946430).

Almost surely, 2^1145395047 is an apocalyptic number.

1145395047 is a deficient number, since it is larger than the sum of its proper divisors (382176393).

1145395047 is an equidigital number, since it uses as much as digits as its factorization.

1145395047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94513.

The product of its (nonzero) digits is 75600, while the sum is 39.

The square root of 1145395047 is about 33843.6854819330. The cubic root of 1145395047 is about 1046.2892589138.

The spelling of 1145395047 in words is "one billion, one hundred forty-five million, three hundred ninety-five thousand, forty-seven".