102144437870 has 8 divisors (see below), whose sum is σ = 183859988184. Its totient is φ = 40857775144.

The previous prime is 102144437861. The next prime is 102144437909. The reversal of 102144437870 is 78734441201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5107221884 + ... + 5107221903.

It is an arithmetic number, because the mean of its divisors is an integer number (22982498523).

Almost surely, 2^102144437870 is an apocalyptic number.

102144437870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102144437870 is a deficient number, since it is larger than the sum of its proper divisors (81715550314).

102144437870 is a wasteful number, since it uses less digits than its factorization.

102144437870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10214443794.

The product of its (nonzero) digits is 150528, while the sum is 41.

The spelling of 102144437870 in words is "one hundred two billion, one hundred forty-four million, four hundred thirty-seven thousand, eight hundred seventy".