102154066 has 16 divisors (see below), whose sum is σ = 181160640. Its totient is φ = 42270480.

The previous prime is 102154057. The next prime is 102154069. The reversal of 102154066 is 660451201.

It is a self number, because there is not a number n which added to its sum of digits gives 102154066.

It is not an unprimeable number, because it can be changed into a prime (102154069) 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, 125400 + ... + 126211.

It is an arithmetic number, because the mean of its divisors is an integer number (11322540).

Almost surely, 2^102154066 is an apocalyptic number.

102154066 is a deficient number, since it is larger than the sum of its proper divisors (79006574).

102154066 is a wasteful number, since it uses less digits than its factorization.

102154066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251649.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 102154066 is about 10107.1294638982. The cubic root of 102154066 is about 467.4679986102.

The spelling of 102154066 in words is "one hundred two million, one hundred fifty-four thousand, sixty-six".