1145790269 has 8 divisors (see below), whose sum is σ = 1298871840. Its totient is φ = 1001986416.

The previous prime is 1145790253. The next prime is 1145790301. The reversal of 1145790269 is 9620975411.

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 1145790269 - 2⁴ = 1145790253 is a prime.

It is a super-2 number, since 2×1145790269² = 2625670681070184722, 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 (1145796269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2319167 + ... + 2319660.

It is an arithmetic number, because the mean of its divisors is an integer number (162358980).

Almost surely, 2^1145790269 is an apocalyptic number.

1145790269 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1145790269 is a deficient number, since it is larger than the sum of its proper divisors (153081571).

1145790269 is a wasteful number, since it uses less digits than its factorization.

1145790269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4638859.

The product of its (nonzero) digits is 136080, while the sum is 44.

The square root of 1145790269 is about 33849.5239109799. The cubic root of 1145790269 is about 1046.4095868251.

The spelling of 1145790269 in words is "one billion, one hundred forty-five million, seven hundred ninety thousand, two hundred sixty-nine".