102148545 has 8 divisors (see below), whose sum is σ = 163437696. Its totient is φ = 54479216.

The previous prime is 102148523. The next prime is 102148549. The reversal of 102148545 is 545841201.

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 102148545 - 2⁸ = 102148289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102148549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3404937 + ... + 3404966.

It is an arithmetic number, because the mean of its divisors is an integer number (20429712).

Almost surely, 2^102148545 is an apocalyptic number.

102148545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

102148545 is a deficient number, since it is larger than the sum of its proper divisors (61289151).

102148545 is an equidigital number, since it uses as much as digits as its factorization.

102148545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6809911.

The product of its (nonzero) digits is 6400, while the sum is 30.

The square root of 102148545 is about 10106.8563361710. The cubic root of 102148545 is about 467.4595768951.

Adding to 102148545 its reverse (545841201), we get a palindrome (647989746).

The spelling of 102148545 in words is "one hundred two million, one hundred forty-eight thousand, five hundred forty-five".