102902146 has 16 divisors (see below), whose sum is σ = 156904128. Its totient is φ = 50604400.

The previous prime is 102902141. The next prime is 102902147. The reversal of 102902146 is 641209201.

It is a self number, because there is not a number n which added to its sum of digits gives 102902146.

It is not an unprimeable number, because it can be changed into a prime (102902141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96456 + ... + 97516.

It is an arithmetic number, because the mean of its divisors is an integer number (9806508).

Almost surely, 2^102902146 is an apocalyptic number.

102902146 is a deficient number, since it is larger than the sum of its proper divisors (54001982).

102902146 is a wasteful number, since it uses less digits than its factorization.

102902146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1817.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 102902146 is about 10144.0694989733. The cubic root of 102902146 is about 468.6063226383.

The spelling of 102902146 in words is "one hundred two million, nine hundred two thousand, one hundred forty-six".