102734245 has 16 divisors (see below), whose sum is σ = 126862848. Its totient is φ = 79826560.

The previous prime is 102734243. The next prime is 102734251. The reversal of 102734245 is 542437201.

It is not a de Polignac number, because 102734245 - 2¹ = 102734243 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102734243) 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, 30600 + ... + 33790.

It is an arithmetic number, because the mean of its divisors is an integer number (7928928).

Almost surely, 2^102734245 is an apocalyptic number.

It is an amenable number.

102734245 is a deficient number, since it is larger than the sum of its proper divisors (24128603).

102734245 is a wasteful number, since it uses less digits than its factorization.

102734245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3380.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 102734245 is about 10135.7902997250. The cubic root of 102734245 is about 468.3513156415.

The spelling of 102734245 in words is "one hundred two million, seven hundred thirty-four thousand, two hundred forty-five".