103140142 has 64 divisors (see below), whose sum is σ = 192844800. Its totient is φ = 40423680.

The previous prime is 103140077. The next prime is 103140181. The reversal of 103140142 is 241041301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1158834 + ... + 1158922.

It is an arithmetic number, because the mean of its divisors is an integer number (3013200).

Almost surely, 2^103140142 is an apocalyptic number.

103140142 is a deficient number, since it is larger than the sum of its proper divisors (89704658).

103140142 is a wasteful number, since it uses less digits than its factorization.

103140142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 103140142 is about 10155.7935189723. The cubic root of 103140142 is about 468.9673146556.

Adding to 103140142 its reverse (241041301), we get a palindrome (344181443).

The spelling of 103140142 in words is "one hundred three million, one hundred forty thousand, one hundred forty-two".