101404443 has 16 divisors (see below), whose sum is σ = 154711296. Its totient is φ = 57874080.

The previous prime is 101404399. The next prime is 101404453. The reversal of 101404443 is 344404101.

It is not a de Polignac number, because 101404443 - 2¹² = 101400347 is a prime.

It is a super-2 number, since 2×101404443² = 20565722120280498, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (101404453) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17905 + ... + 22877.

It is an arithmetic number, because the mean of its divisors is an integer number (9669456).

Almost surely, 2^101404443 is an apocalyptic number.

101404443 is a deficient number, since it is larger than the sum of its proper divisors (53306853).

101404443 is an equidigital number, since it uses as much as digits as its factorization.

101404443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5954.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 101404443 is about 10069.9773088126. The cubic root of 101404443 is about 466.3217383692.

Adding to 101404443 its reverse (344404101), we get a palindrome (445808544).

The spelling of 101404443 in words is "one hundred one million, four hundred four thousand, four hundred forty-three".