103143440042 has 16 divisors (see below), whose sum is σ = 154930793472. Its totient is φ = 51499877520.

The previous prime is 103143440027. The next prime is 103143440069. The reversal of 103143440042 is 240044341301.

It is a junction number, because it is equal to n+sod(n) for n = 103143439993 and 103143440020.

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, 8562848 + ... + 8574884.

It is an arithmetic number, because the mean of its divisors is an integer number (9683174592).

Almost surely, 2^103143440042 is an apocalyptic number.

103143440042 is a deficient number, since it is larger than the sum of its proper divisors (51787353430).

103143440042 is a wasteful number, since it uses less digits than its factorization.

103143440042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17653.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 103143440042 its reverse (240044341301), we get a palindrome (343187781343).

The spelling of 103143440042 in words is "one hundred three billion, one hundred forty-three million, four hundred forty thousand, forty-two".