102304149 has 16 divisors (see below), whose sum is σ = 140754432. Its totient is φ = 66045888.

The previous prime is 102304129. The next prime is 102304157. The reversal of 102304149 is 941403201.

It is not a de Polignac number, because 102304149 - 2⁵ = 102304117 is a prime.

It is a super-2 number, since 2×102304149² = 20932277805228402, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102304129) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 22687 + ... + 26819.

It is an arithmetic number, because the mean of its divisors is an integer number (8797152).

Almost surely, 2^102304149 is an apocalyptic number.

It is an amenable number.

102304149 is a deficient number, since it is larger than the sum of its proper divisors (38450283).

102304149 is a wasteful number, since it uses less digits than its factorization.

102304149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4396.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 102304149 is about 10114.5513494173. The cubic root of 102304149 is about 467.6968185733.

The spelling of 102304149 in words is "one hundred two million, three hundred four thousand, one hundred forty-nine".