142003101 has 4 divisors (see below), whose sum is σ = 189337472. Its totient is φ = 94668732.

The previous prime is 142003097. The next prime is 142003117. The reversal of 142003101 is 101300241.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 142003101 - 2² = 142003097 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142003171) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23667181 + ... + 23667186.

It is an arithmetic number, because the mean of its divisors is an integer number (47334368).

Almost surely, 2^142003101 is an apocalyptic number.

It is an amenable number.

142003101 is a deficient number, since it is larger than the sum of its proper divisors (47334371).

142003101 is an equidigital number, since it uses as much as digits as its factorization.

142003101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47334370.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 142003101 is about 11916.5054021722. The cubic root of 142003101 is about 521.7141423084.

Adding to 142003101 its reverse (101300241), we get a palindrome (243303342).

The spelling of 142003101 in words is "one hundred forty-two million, three thousand, one hundred one".