1145213662 has 16 divisors (see below), whose sum is σ = 1725276672. Its totient is φ = 570127360.

The previous prime is 1145213639. The next prime is 1145213669. The reversal of 1145213662 is 2663125411.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145213669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 673998 + ... + 675694.

It is an arithmetic number, because the mean of its divisors is an integer number (107829792).

Almost surely, 2^1145213662 is an apocalyptic number.

1145213662 is a deficient number, since it is larger than the sum of its proper divisors (580063010).

1145213662 is a wasteful number, since it uses less digits than its factorization.

1145213662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2963.

The product of its digits is 8640, while the sum is 31.

The square root of 1145213662 is about 33841.0056292658. The cubic root of 1145213662 is about 1046.2340258026.

The spelling of 1145213662 in words is "one billion, one hundred forty-five million, two hundred thirteen thousand, six hundred sixty-two".