1142664105 has 24 divisors (see below), whose sum is σ = 2009581056. Its totient is φ = 554018080.

The previous prime is 1142664101. The next prime is 1142664121. The reversal of 1142664105 is 5014662411.

It is not a de Polignac number, because 1142664105 - 2² = 1142664101 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1142664101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 312969 + ... + 316598.

It is an arithmetic number, because the mean of its divisors is an integer number (83732544).

Almost surely, 2^1142664105 is an apocalyptic number.

1142664105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1142664105 is a deficient number, since it is larger than the sum of its proper divisors (866916951).

1142664105 is a wasteful number, since it uses less digits than its factorization.

1142664105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629597 (or 629586 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 1142664105 is about 33803.3150001594. The cubic root of 1142664105 is about 1045.4570484571.

The spelling of 1142664105 in words is "one billion, one hundred forty-two million, six hundred sixty-four thousand, one hundred five".