103142285 has 8 divisors (see below), whose sum is σ = 123832800. Its totient is φ = 82472464.

The previous prime is 103142227. The next prime is 103142323. The reversal of 103142285 is 582241301.

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-103142285 is a prime.

It is a congruent 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, 9674 + ... + 17316.

It is an arithmetic number, because the mean of its divisors is an integer number (15479100).

Almost surely, 2^103142285 is an apocalyptic number.

It is an amenable number.

103142285 is a deficient number, since it is larger than the sum of its proper divisors (20690515).

103142285 is an equidigital number, since it uses as much as digits as its factorization.

103142285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10347.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 103142285 is about 10155.8990247048. The cubic root of 103142285 is about 468.9705626312.

Adding to 103142285 its reverse (582241301), we get a palindrome (685383586).

The spelling of 103142285 in words is "one hundred three million, one hundred forty-two thousand, two hundred eighty-five".