102455402 has 16 divisors (see below), whose sum is σ = 176065152. Its totient is φ = 43802640.

The previous prime is 102455393. The next prime is 102455407. The reversal of 102455402 is 204554201.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (102455407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2798 + ... + 14585.

It is an arithmetic number, because the mean of its divisors is an integer number (11004072).

Almost surely, 2^102455402 is an apocalyptic number.

102455402 is a deficient number, since it is larger than the sum of its proper divisors (73609750).

102455402 is a wasteful number, since it uses less digits than its factorization.

102455402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17813.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 102455402 is about 10122.0255877962. The cubic root of 102455402 is about 467.9271960434.

The spelling of 102455402 in words is "one hundred two million, four hundred fifty-five thousand, four hundred two".