1142664745 has 8 divisors (see below), whose sum is σ = 1375665984. Its totient is φ = 911152944.

The previous prime is 1142664737. The next prime is 1142664773. The reversal of 1142664745 is 5474662411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1142664745 - 2³ = 1142664737 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1142664698 and 1142664707.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 370669 + ... + 373738.

It is an arithmetic number, because the mean of its divisors is an integer number (171958248).

Almost surely, 2^1142664745 is an apocalyptic number.

It is an amenable number.

1142664745 is a deficient number, since it is larger than the sum of its proper divisors (233001239).

1142664745 is an equidigital number, since it uses as much as digits as its factorization.

1142664745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 744719.

The product of its digits is 161280, while the sum is 40.

The square root of 1142664745 is about 33803.3244666852. The cubic root of 1142664745 is about 1045.4572436420.

The spelling of 1142664745 in words is "one billion, one hundred forty-two million, six hundred sixty-four thousand, seven hundred forty-five".