1145402039 has 2 divisors, whose sum is σ = 1145402040. Its totient is φ = 1145402038.

The previous prime is 1145402021. The next prime is 1145402053. The reversal of 1145402039 is 9302045411.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1145402039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1145402639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572701019 + 572701020.

It is an arithmetic number, because the mean of its divisors is an integer number (572701020).

Almost surely, 2^1145402039 is an apocalyptic number.

1145402039 is a deficient number, since it is larger than the sum of its proper divisors (1).

1145402039 is an equidigital number, since it uses as much as digits as its factorization.

1145402039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 1145402039 is about 33843.7887802179. The cubic root of 1145402039 is about 1046.2913879142.

The spelling of 1145402039 in words is "one billion, one hundred forty-five million, four hundred two thousand, thirty-nine".