100292243 has 4 divisors (see below), whose sum is σ = 100742208. Its totient is φ = 99842280.

The previous prime is 100292239. The next prime is 100292251. The reversal of 100292243 is 342292001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 342292001 = 281 ⋅1218121.

It is a cyclic number.

It is not a de Polignac number, because 100292243 - 2² = 100292239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100292263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 224648 + ... + 225093.

It is an arithmetic number, because the mean of its divisors is an integer number (25185552).

Almost surely, 2^100292243 is an apocalyptic number.

100292243 is a deficient number, since it is larger than the sum of its proper divisors (449965).

100292243 is an equidigital number, since it uses as much as digits as its factorization.

100292243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449964.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 100292243 is about 10014.6014898247. The cubic root of 100292243 is about 464.6106008908.

The spelling of 100292243 in words is "one hundred million, two hundred ninety-two thousand, two hundred forty-three".