101944549 has 6 divisors (see below), whose sum is σ = 118588614. Its totient is φ = 87381000.

The previous prime is 101944547. The next prime is 101944553. The reversal of 101944549 is 945449101.

It can be written as a sum of positive squares in only one way, i.e., 53919649 + 48024900 = 7343^2 + 6930^2 .

It is not a de Polignac number, because 101944549 - 2¹ = 101944547 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 (101944543) 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 5 ways as a sum of consecutive naturals, for example, 1040202 + ... + 1040299.

It is an arithmetic number, because the mean of its divisors is an integer number (19764769).

Almost surely, 2^101944549 is an apocalyptic number.

It is an amenable number.

101944549 is a deficient number, since it is larger than the sum of its proper divisors (16644065).

101944549 is an equidigital number, since it uses as much as digits as its factorization.

101944549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2080515 (or 2080508 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 101944549 is about 10096.7593315875. The cubic root of 101944549 is about 467.1481890891.

The spelling of 101944549 in words is "one hundred one million, nine hundred forty-four thousand, five hundred forty-nine".