103143140442 has 12 divisors (see below), whose sum is σ = 223476804330. Its totient is φ = 34381046808.

The previous prime is 103143140407. The next prime is 103143140453. The reversal of 103143140442 is 244041341301.

103143140442 is a `hidden beast` number, since 10 + 31 + 43 + 140 + 442 = 666.

It can be written as a sum of positive squares in only one way, i.e., 77779074321 + 25364066121 = 278889^2 + 159261^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2865087217 + ... + 2865087252.

Almost surely, 2^103143140442 is an apocalyptic number.

103143140442 is an abundant number, since it is smaller than the sum of its proper divisors (120333663888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

103143140442 is a wasteful number, since it uses less digits than its factorization.

103143140442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5730174477 (or 5730174474 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 103143140442 its reverse (244041341301), we get a palindrome (347184481743).

The spelling of 103143140442 in words is "one hundred three billion, one hundred forty-three million, one hundred forty thousand, four hundred forty-two".