1145890341 has 16 divisors (see below), whose sum is σ = 1698481600. Its totient is φ = 763537104.

The previous prime is 1145890313. The next prime is 1145890363. The reversal of 1145890341 is 1430985411.

It is not a de Polignac number, because 1145890341 - 2¹⁷ = 1145759269 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1145890296 and 1145890305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145890381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49095 + ... + 68571.

It is an arithmetic number, because the mean of its divisors is an integer number (106155100).

Almost surely, 2^1145890341 is an apocalyptic number.

It is an amenable number.

1145890341 is a deficient number, since it is larger than the sum of its proper divisors (552591259).

1145890341 is a wasteful number, since it uses less digits than its factorization.

1145890341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21665 (or 21659 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 1145890341 is about 33851.0020678857. The cubic root of 1145890341 is about 1046.4400500069.

The spelling of 1145890341 in words is "one billion, one hundred forty-five million, eight hundred ninety thousand, three hundred forty-one".