102449330 has 16 divisors (see below), whose sum is σ = 194114880. Its totient is φ = 38822832.

The previous prime is 102449329. The next prime is 102449353. The reversal of 102449330 is 33944201.

It is a self number, because there is not a number n which added to its sum of digits gives 102449330.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 269414 + ... + 269793.

It is an arithmetic number, because the mean of its divisors is an integer number (12132180).

Almost surely, 2^102449330 is an apocalyptic number.

102449330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102449330 is a deficient number, since it is larger than the sum of its proper divisors (91665550).

102449330 is a wasteful number, since it uses less digits than its factorization.

102449330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539233.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 102449330 is about 10121.7256433871. The cubic root of 102449330 is about 467.9179519885.

The spelling of 102449330 in words is "one hundred two million, four hundred forty-nine thousand, three hundred thirty".