40142103 has 8 divisors (see below), whose sum is σ = 53553408. Its totient is φ = 26746104.

The previous prime is 40142071. The next prime is 40142129. The reversal of 40142103 is 30124104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40142103 - 2⁵ = 40142071 is a prime.

It is a super-2 number, since 2×40142103² = 3222776866525218, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40142143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5650 + ... + 10592.

It is an arithmetic number, because the mean of its divisors is an integer number (6694176).

Almost surely, 2^40142103 is an apocalyptic number.

40142103 is a deficient number, since it is larger than the sum of its proper divisors (13411305).

40142103 is a wasteful number, since it uses less digits than its factorization.

40142103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7653.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 40142103 is about 6335.7795889693. The cubic root of 40142103 is about 342.3996985496.

Adding to 40142103 its reverse (30124104), we get a palindrome (70266207).

The spelling of 40142103 in words is "forty million, one hundred forty-two thousand, one hundred three".