100143469 has 2 divisors, whose sum is σ = 100143470. Its totient is φ = 100143468.

The previous prime is 100143457. The next prime is 100143503. The reversal of 100143469 is 964341001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62173225 + 37970244 = 7885^2 + 6162^2 .

It is a cyclic number.

It is not a de Polignac number, because 100143469 - 2¹¹ = 100141421 is a prime.

It is a super-2 number, since 2×100143469² = 20057428766707922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100146469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50071734 + 50071735.

It is an arithmetic number, because the mean of its divisors is an integer number (50071735).

Almost surely, 2^100143469 is an apocalyptic number.

It is an amenable number.

100143469 is a deficient number, since it is larger than the sum of its proper divisors (1).

100143469 is an equidigital number, since it uses as much as digits as its factorization.

100143469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 100143469 is about 10007.1708789248. The cubic root of 100143469 is about 464.3807519936.

The spelling of 100143469 in words is "one hundred million, one hundred forty-three thousand, four hundred sixty-nine".