102354305 has 8 divisors (see below), whose sum is σ = 123449832. Its totient is φ = 81467008.

The previous prime is 102354299. The next prime is 102354313. The reversal of 102354305 is 503453201.

It can be written as a sum of positive squares in 4 ways, for example, as 20939776 + 81414529 = 4576^2 + 9023^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102354305 is a prime.

It is a Duffinian 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, 50972 + ... + 52941.

It is an arithmetic number, because the mean of its divisors is an integer number (15431229).

Almost surely, 2^102354305 is an apocalyptic number.

It is an amenable number.

102354305 is a deficient number, since it is larger than the sum of its proper divisors (21095527).

102354305 is a wasteful number, since it uses less digits than its factorization.

102354305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104115.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 102354305 is about 10117.0304437616. The cubic root of 102354305 is about 467.7732376609.

The spelling of 102354305 in words is "one hundred two million, three hundred fifty-four thousand, three hundred five".