1145890339 has 16 divisors (see below), whose sum is σ = 1269688320. Its totient is φ = 1025444160.

The previous prime is 1145890313. The next prime is 1145890363. The reversal of 1145890339 is 9330985411.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1145890339 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1145890295 and 1145890304.

It is not an unprimeable number, because it can be changed into a prime (1145890639) 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, 317127 + ... + 320719.

It is an arithmetic number, because the mean of its divisors is an integer number (79355520).

Almost surely, 2^1145890339 is an apocalyptic number.

1145890339 is a deficient number, since it is larger than the sum of its proper divisors (123797981).

1145890339 is a wasteful number, since it uses less digits than its factorization.

1145890339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4050.

The product of its (nonzero) digits is 116640, while the sum is 43.

The square root of 1145890339 is about 33851.0020383444. The cubic root of 1145890339 is about 1046.4400493980.

The spelling of 1145890339 in words is "one billion, one hundred forty-five million, eight hundred ninety thousand, three hundred thirty-nine".