142103145 has 8 divisors (see below), whose sum is σ = 227365056. Its totient is φ = 75788336.

The previous prime is 142103141. The next prime is 142103179. The reversal of 142103145 is 541301241.

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 142103145 - 2² = 142103141 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (142103141) 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, 4736757 + ... + 4736786.

It is an arithmetic number, because the mean of its divisors is an integer number (28420632).

Almost surely, 2^142103145 is an apocalyptic number.

142103145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

142103145 is a deficient number, since it is larger than the sum of its proper divisors (85261911).

142103145 is an equidigital number, since it uses as much as digits as its factorization.

142103145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9473551.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 142103145 is about 11920.7023702465. The cubic root of 142103145 is about 521.8366328661.

Adding to 142103145 its reverse (541301241), we get a palindrome (683404386).

The spelling of 142103145 in words is "one hundred forty-two million, one hundred three thousand, one hundred forty-five".