102041857144 has 16 divisors (see below), whose sum is σ = 195995031120. Its totient is φ = 49776515520.

The previous prime is 102041857133. The next prime is 102041857163. The reversal of 102041857144 is 441758140201.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 155551284 + ... + 155551939.

It is an arithmetic number, because the mean of its divisors is an integer number (12249689445).

Almost surely, 2^102041857144 is an apocalyptic number.

It is an amenable number.

102041857144 is a deficient number, since it is larger than the sum of its proper divisors (93953173976).

102041857144 is a wasteful number, since it uses less digits than its factorization.

102041857144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311103270 (or 311103266 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 37.

Adding to 102041857144 its reverse (441758140201), we get a palindrome (543799997345).

The spelling of 102041857144 in words is "one hundred two billion, forty-one million, eight hundred fifty-seven thousand, one hundred forty-four".