1143302407 has 6 divisors (see below), whose sum is σ = 1238014032. Its totient is φ = 1055355912.

The previous prime is 1143302359. The next prime is 1143302429. The reversal of 1143302407 is 7042033411.

It is not a de Polignac number, because 1143302407 - 2²⁷ = 1009084679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143302477) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3382383 + ... + 3382720.

It is an arithmetic number, because the mean of its divisors is an integer number (206335672).

Almost surely, 2^1143302407 is an apocalyptic number.

1143302407 is a deficient number, since it is larger than the sum of its proper divisors (94711625).

1143302407 is an equidigital number, since it uses as much as digits as its factorization.

1143302407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6765129 (or 6765116 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 1143302407 is about 33812.7550933076. The cubic root of 1143302407 is about 1045.6516793214.

Adding to 1143302407 its reverse (7042033411), we get a palindrome (8185335818).

The spelling of 1143302407 in words is "one billion, one hundred forty-three million, three hundred two thousand, four hundred seven".