102252345 has 32 divisors (see below), whose sum is σ = 177324672. Its totient is φ = 50015232.

The previous prime is 102252343. The next prime is 102252361. The reversal of 102252345 is 543252201.

It is not a de Polignac number, because 102252345 - 2¹ = 102252343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102252343) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30177 + ... + 33393.

It is an arithmetic number, because the mean of its divisors is an integer number (5541396).

Almost surely, 2^102252345 is an apocalyptic number.

102252345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

102252345 is a deficient number, since it is larger than the sum of its proper divisors (75072327).

102252345 is a wasteful number, since it uses less digits than its factorization.

102252345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3401.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 102252345 is about 10111.9901602009. The cubic root of 102252345 is about 467.6178623207.

The spelling of 102252345 in words is "one hundred two million, two hundred fifty-two thousand, three hundred forty-five".