158242103 has 8 divisors (see below), whose sum is σ = 168192288. Its totient is φ = 148363264.

The previous prime is 158242099. The next prime is 158242121. The reversal of 158242103 is 301242851.

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 158242103 - 2² = 158242099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158242703) 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, 13226 + ... + 22167.

It is an arithmetic number, because the mean of its divisors is an integer number (21024036).

Almost surely, 2^158242103 is an apocalyptic number.

158242103 is a deficient number, since it is larger than the sum of its proper divisors (9950185).

158242103 is a wasteful number, since it uses less digits than its factorization.

158242103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35673.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 158242103 is about 12579.4317439223. The cubic root of 158242103 is about 540.8880028011. Note that the first 3 decimals are identical.

Adding to 158242103 its reverse (301242851), we get a palindrome (459484954).

The spelling of 158242103 in words is "one hundred fifty-eight million, two hundred forty-two thousand, one hundred three".