1001145542 has 8 divisors (see below), whose sum is σ = 1526336832. Its totient is φ = 492366600.

The previous prime is 1001145533. The next prime is 1001145581. The reversal of 1001145542 is 2455411001.

1001145542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4102934 + ... + 4103177.

It is an arithmetic number, because the mean of its divisors is an integer number (190792104).

Almost surely, 2^1001145542 is an apocalyptic number.

1001145542 is a deficient number, since it is larger than the sum of its proper divisors (525191290).

1001145542 is an equidigital number, since it uses as much as digits as its factorization.

1001145542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8206174.

The product of its (nonzero) digits is 800, while the sum is 23.

The square root of 1001145542 is about 31640.8840268410. The cubic root of 1001145542 is about 1000.3817016187.

Adding to 1001145542 its reverse (2455411001), we get a palindrome (3456556543).

The spelling of 1001145542 in words is "one billion, one million, one hundred forty-five thousand, five hundred forty-two".