102144243400 has 48 divisors (see below), whose sum is σ = 238942407600. Its totient is φ = 40607023680.

The previous prime is 102144243361. The next prime is 102144243433. The reversal of 102144243400 is 4342441201.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1534030 + ... + 1599229.

It is an arithmetic number, because the mean of its divisors is an integer number (4977966825).

Almost surely, 2^102144243400 is an apocalyptic number.

102144243400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102144243400 is an abundant number, since it is smaller than the sum of its proper divisors (136798164200).

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

102144243400 is a wasteful number, since it uses less digits than its factorization.

102144243400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3133438 (or 3133429 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 102144243400 its reverse (4342441201), we get a palindrome (106486684601).

The spelling of 102144243400 in words is "one hundred two billion, one hundred forty-four million, two hundred forty-three thousand, four hundred".