102290245 has 8 divisors (see below), whose sum is σ = 123715584. Its totient is φ = 81187344.

The previous prime is 102290213. The next prime is 102290257. The reversal of 102290245 is 542092201.

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

It is a cyclic number.

It is not a de Polignac number, because 102290245 - 2⁵ = 102290213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79909 + ... + 81178.

It is an arithmetic number, because the mean of its divisors is an integer number (15464448).

Almost surely, 2^102290245 is an apocalyptic number.

It is an amenable number.

102290245 is a deficient number, since it is larger than the sum of its proper divisors (21425339).

102290245 is a wasteful number, since it uses less digits than its factorization.

102290245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161219.

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

The square root of 102290245 is about 10113.8639994811. The cubic root of 102290245 is about 467.6756296276.

The spelling of 102290245 in words is "one hundred two million, two hundred ninety thousand, two hundred forty-five".