102132245 has 16 divisors (see below), whose sum is σ = 125072640. Its totient is φ = 80040000.

The previous prime is 102132241. The next prime is 102132253. The reversal of 102132245 is 542231201.

It is not a de Polignac number, because 102132245 - 2² = 102132241 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102132241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135620 + ... + 136370.

It is an arithmetic number, because the mean of its divisors is an integer number (7817040).

Almost surely, 2^102132245 is an apocalyptic number.

It is an amenable number.

102132245 is a deficient number, since it is larger than the sum of its proper divisors (22940395).

102132245 is an equidigital number, since it uses as much as digits as its factorization.

102132245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1276.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 102132245 is about 10106.0499207158. The cubic root of 102132245 is about 467.4347111585.

Adding to 102132245 its reverse (542231201), we get a palindrome (644363446).

The spelling of 102132245 in words is "one hundred two million, one hundred thirty-two thousand, two hundred forty-five".