1000145042 has 24 divisors (see below), whose sum is σ = 1629056484. Its totient is φ = 460309824.

The previous prime is 1000145023. The next prime is 1000145053. The reversal of 1000145042 is 2405410001.

It can be written as a sum of positive squares in 6 ways, for example, as 90459121 + 909685921 = 9511^2 + 30161^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1000145042.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 122108 + ... + 130040.

Almost surely, 2^1000145042 is an apocalyptic number.

1000145042 is a deficient number, since it is larger than the sum of its proper divisors (628911442).

1000145042 is a wasteful number, since it uses less digits than its factorization.

1000145042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8334 (or 8321 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 1000145042 is about 31625.0698339150. The cubic root of 1000145042 is about 1000.0483449961.

Adding to 1000145042 its reverse (2405410001), we get a palindrome (3405555043).

The spelling of 1000145042 in words is "one billion, one hundred forty-five thousand, forty-two".