1145039 has 8 divisors (see below), whose sum is σ = 1344288. Its totient is φ = 954720.

The previous prime is 1145021. The next prime is 1145057. The reversal of 1145039 is 9305411.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1145021) and next prime (1145057).

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 1145039 - 2⁸ = 1144783 is a prime.

It is a super-2 number, since 2×1145039² = 2622228623042, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145059) 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, 1952 + ... + 2469.

It is an arithmetic number, because the mean of its divisors is an integer number (168036).

2^1145039 is an apocalyptic number.

1145039 is a deficient number, since it is larger than the sum of its proper divisors (199249).

1145039 is an equidigital number, since it uses as much as digits as its factorization.

1145039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4465.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 1145039 is about 1070.0649512997. The cubic root of 1145039 is about 104.6180834384.

The spelling of 1145039 in words is "one million, one hundred forty-five thousand, thirty-nine".