1145339667 has 6 divisors (see below), whose sum is σ = 1654379532. Its totient is φ = 763559772.

The previous prime is 1145339653. The next prime is 1145339677. The reversal of 1145339667 is 7669335411.

It is a happy number.

It is not a de Polignac number, because 1145339667 - 2⁴ = 1145339651 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1145339647) 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, 63629973 + ... + 63629990.

It is an arithmetic number, because the mean of its divisors is an integer number (275729922).

Almost surely, 2^1145339667 is an apocalyptic number.

1145339667 is a deficient number, since it is larger than the sum of its proper divisors (509039865).

1145339667 is a wasteful number, since it uses less digits than its factorization.

1145339667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127259969 (or 127259966 counting only the distinct ones).

The product of its digits is 408240, while the sum is 45.

The square root of 1145339667 is about 33842.8672987381. The cubic root of 1145339667 is about 1046.2723959012.

The spelling of 1145339667 in words is "one billion, one hundred forty-five million, three hundred thirty-nine thousand, six hundred sixty-seven".