100142002 has 16 divisors (see below), whose sum is σ = 159744312. Its totient is φ = 46919680.

The previous prime is 100141991. The next prime is 100142011. The reversal of 100142002 is 200241001.

It can be written as a sum of positive squares in 4 ways, for example, as 49575681 + 50566321 = 7041^2 + 7111^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 100142002.

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, 1602 + ... + 14242.

Almost surely, 2^100142002 is an apocalyptic number.

100142002 is a deficient number, since it is larger than the sum of its proper divisors (59602310).

100142002 is a wasteful number, since it uses less digits than its factorization.

100142002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12893.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 100142002 is about 10007.0975812170. The cubic root of 100142002 is about 464.3784844139.

Adding to 100142002 its reverse (200241001), we get a palindrome (300383003).

The spelling of 100142002 in words is "one hundred million, one hundred forty-two thousand, two".