100142260 has 12 divisors (see below), whose sum is σ = 210298788. Its totient is φ = 40056896.

The previous prime is 100142233. The next prime is 100142267. The reversal of 100142260 is 62241001.

It can be written as a sum of positive squares in 2 ways, for example, as 17623204 + 82519056 = 4198^2 + 9084^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100142267) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2503537 + ... + 2503576.

It is an arithmetic number, because the mean of its divisors is an integer number (17524899).

Almost surely, 2^100142260 is an apocalyptic number.

100142260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100142260 is an abundant number, since it is smaller than the sum of its proper divisors (110156528).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100142260 is a wasteful number, since it uses less digits than its factorization.

100142260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5007122 (or 5007120 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 100142260 is about 10007.1104720594. The cubic root of 100142260 is about 464.3788832128.

Adding to 100142260 its reverse (62241001), we get a palindrome (162383261).

The spelling of 100142260 in words is "one hundred million, one hundred forty-two thousand, two hundred sixty".