102544379 has 16 divisors (see below), whose sum is σ = 120341760. Its totient is φ = 85548960.

The previous prime is 102544369. The next prime is 102544381. The reversal of 102544379 is 973445201.

It is not a de Polignac number, because 102544379 - 2²⁴ = 85767163 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102544339) 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 15 ways as a sum of consecutive naturals, for example, 138392 + ... + 139130.

It is an arithmetic number, because the mean of its divisors is an integer number (7521360).

Almost surely, 2^102544379 is an apocalyptic number.

102544379 is a deficient number, since it is larger than the sum of its proper divisors (17797381).

102544379 is an equidigital number, since it uses as much as digits as its factorization.

102544379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1250.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 102544379 is about 10126.4198510629. The cubic root of 102544379 is about 468.0626133749.

The spelling of 102544379 in words is "one hundred two million, five hundred forty-four thousand, three hundred seventy-nine".