102645134 has 8 divisors (see below), whose sum is σ = 154041888. Its totient is φ = 51297840.

The previous prime is 102645131. The next prime is 102645157. The reversal of 102645134 is 431546201.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102645131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6647 + ... + 15794.

It is an arithmetic number, because the mean of its divisors is an integer number (19255236).

Almost surely, 2^102645134 is an apocalyptic number.

102645134 is a deficient number, since it is larger than the sum of its proper divisors (51396754).

102645134 is a wasteful number, since it uses less digits than its factorization.

102645134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24730.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 102645134 is about 10131.3934875712. The cubic root of 102645134 is about 468.2158615325.

The spelling of 102645134 in words is "one hundred two million, six hundred forty-five thousand, one hundred thirty-four".