102051146 has 8 divisors (see below), whose sum is σ = 153566724. Its totient is φ = 50862240.

The previous prime is 102051139. The next prime is 102051151. The reversal of 102051146 is 641150201.

It can be written as a sum of positive squares in 2 ways, for example, as 55279225 + 46771921 = 7435^2 + 6839^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80885 + ... + 82136.

Almost surely, 2^102051146 is an apocalyptic number.

102051146 is a deficient number, since it is larger than the sum of its proper divisors (51515578).

102051146 is a wasteful number, since it uses less digits than its factorization.

102051146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163336.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 102051146 is about 10102.0367253342. The cubic root of 102051146 is about 467.3109548596.

The spelling of 102051146 in words is "one hundred two million, fifty-one thousand, one hundred forty-six".