102709454 has 8 divisors (see below), whose sum is σ = 154110000. Its totient is φ = 51339456.

The previous prime is 102709433. The next prime is 102709483. The reversal of 102709454 is 454907201.

It is a happy number.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 102709454.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4862 + ... + 15134.

It is an arithmetic number, because the mean of its divisors is an integer number (19263750).

Almost surely, 2^102709454 is an apocalyptic number.

102709454 is a deficient number, since it is larger than the sum of its proper divisors (51400546).

102709454 is a wasteful number, since it uses less digits than its factorization.

102709454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15274.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 102709454 is about 10134.5672823264. The cubic root of 102709454 is about 468.3136396892.

The spelling of 102709454 in words is "one hundred two million, seven hundred nine thousand, four hundred fifty-four".