100229743 has 4 divisors (see below), whose sum is σ = 100620000. Its totient is φ = 99839488.

The previous prime is 100229741. The next prime is 100229747. The reversal of 100229743 is 347922001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 100229743 - 2¹ = 100229741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100229741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194743 + ... + 195256.

It is an arithmetic number, because the mean of its divisors is an integer number (25155000).

Almost surely, 2^100229743 is an apocalyptic number.

100229743 is a deficient number, since it is larger than the sum of its proper divisors (390257).

100229743 is an equidigital number, since it uses as much as digits as its factorization.

100229743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390256.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 100229743 is about 10011.4805598373. The cubic root of 100229743 is about 464.5140690097.

The spelling of 100229743 in words is "one hundred million, two hundred twenty-nine thousand, seven hundred forty-three".