102149048 has 32 divisors (see below), whose sum is σ = 197510400. Its totient is φ = 49501152.

The previous prime is 102149029. The next prime is 102149059. The reversal of 102149048 is 840941201.

It is a self number, because there is not a number n which added to its sum of digits gives 102149048.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38963 + ... + 41501.

It is an arithmetic number, because the mean of its divisors is an integer number (6172200).

Almost surely, 2^102149048 is an apocalyptic number.

It is an amenable number.

102149048 is a deficient number, since it is larger than the sum of its proper divisors (95361352).

102149048 is a wasteful number, since it uses less digits than its factorization.

102149048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2699 (or 2695 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 102149048 is about 10106.8812202380. The cubic root of 102149048 is about 467.4603441822.

The spelling of 102149048 in words is "one hundred two million, one hundred forty-nine thousand, forty-eight".