102045682 has 4 divisors (see below), whose sum is σ = 153068526. Its totient is φ = 51022840.

The previous prime is 102045677. The next prime is 102045689. The reversal of 102045682 is 286540201.

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., 75533481 + 26512201 = 8691^2 + 5149^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 102045682.

It is not an unprimeable number, because it can be changed into a prime (102045689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25511419 + ... + 25511422.

Almost surely, 2^102045682 is an apocalyptic number.

102045682 is a deficient number, since it is larger than the sum of its proper divisors (51022844).

102045682 is an equidigital number, since it uses as much as digits as its factorization.

102045682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51022843.

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 102045682 is about 10101.7662812005. The cubic root of 102045682 is about 467.3026144907.

Adding to 102045682 its reverse (286540201), we get a palindrome (388585883).

The spelling of 102045682 in words is "one hundred two million, forty-five thousand, six hundred eighty-two".