102144340 has 48 divisors (see below), whose sum is σ = 220449600. Its totient is φ = 39740672.

The previous prime is 102144337. The next prime is 102144353. The reversal of 102144340 is 43441201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125856 + ... + 126664.

It is an arithmetic number, because the mean of its divisors is an integer number (4592700).

Almost surely, 2^102144340 is an apocalyptic number.

102144340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102144340 is an abundant number, since it is smaller than the sum of its proper divisors (118305260).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102144340 is a wasteful number, since it uses less digits than its factorization.

102144340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 984 (or 982 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 102144340 is about 10106.6483069314. The cubic root of 102144340 is about 467.4531623985.

Adding to 102144340 its reverse (43441201), we get a palindrome (145585541).

The spelling of 102144340 in words is "one hundred two million, one hundred forty-four thousand, three hundred forty".