102152266 has 4 divisors (see below), whose sum is σ = 153228402. Its totient is φ = 51076132.

The previous prime is 102152261. The next prime is 102152273. The reversal of 102152266 is 662251201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 96530625 + 5621641 = 9825^2 + 2371^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 102152266.

It is not an unprimeable number, because it can be changed into a prime (102152261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25538065 + ... + 25538068.

Almost surely, 2^102152266 is an apocalyptic number.

102152266 is a deficient number, since it is larger than the sum of its proper divisors (51076136).

102152266 is an equidigital number, since it uses as much as digits as its factorization.

102152266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51076135.

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

The square root of 102152266 is about 10107.0404174516. The cubic root of 102152266 is about 467.4652529295.

The spelling of 102152266 in words is "one hundred two million, one hundred fifty-two thousand, two hundred sixty-six".