102748844 has 36 divisors (see below), whose sum is σ = 202280232. Its totient is φ = 45608640.

The previous prime is 102748819. The next prime is 102748859. The reversal of 102748844 is 448847201.

It is a happy number.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 102748798 and 102748807.

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, 18344 + ... + 23280.

Almost surely, 2^102748844 is an apocalyptic number.

It is an amenable number.

102748844 is a deficient number, since it is larger than the sum of its proper divisors (99531388).

102748844 is a wasteful number, since it uses less digits than its factorization.

102748844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5006 (or 4993 counting only the distinct ones).

The product of its (nonzero) digits is 57344, while the sum is 38.

The square root of 102748844 is about 10136.5104449214. The cubic root of 102748844 is about 468.3734995362.

The spelling of 102748844 in words is "one hundred two million, seven hundred forty-eight thousand, eight hundred forty-four".