1145139703 has 4 divisors (see below), whose sum is σ = 1212500880. Its totient is φ = 1077778528.

The previous prime is 1145139701. The next prime is 1145139707. The reversal of 1145139703 is 3079315411.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1145139703 - 2¹ = 1145139701 is a prime.

It is a super-2 number, since 2×1145139703² = 2622689878773856418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145139701) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33680563 + ... + 33680596.

It is an arithmetic number, because the mean of its divisors is an integer number (303125220).

Almost surely, 2^1145139703 is an apocalyptic number.

1145139703 is a deficient number, since it is larger than the sum of its proper divisors (67361177).

1145139703 is an equidigital number, since it uses as much as digits as its factorization.

1145139703 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67361176.

The product of its (nonzero) digits is 11340, while the sum is 34.

The square root of 1145139703 is about 33839.9128692732. The cubic root of 1145139703 is about 1046.2115030511.

The spelling of 1145139703 in words is "one billion, one hundred forty-five million, one hundred thirty-nine thousand, seven hundred three".