142100403 has 8 divisors (see below), whose sum is σ = 190526400. Its totient is φ = 94204008.

The previous prime is 142100393. The next prime is 142100407. The reversal of 142100403 is 304001241.

142100403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 142100403 - 2⁶ = 142100339 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142100407) 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, 131773 + ... + 132846.

It is an arithmetic number, because the mean of its divisors is an integer number (23815800).

Almost surely, 2^142100403 is an apocalyptic number.

142100403 is a deficient number, since it is larger than the sum of its proper divisors (48425997).

142100403 is a wasteful number, since it uses less digits than its factorization.

142100403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264801.

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

The square root of 142100403 is about 11920.5873596900. The cubic root of 142100403 is about 521.8332764186.

Adding to 142100403 its reverse (304001241), we get a palindrome (446101644).

The spelling of 142100403 in words is "one hundred forty-two million, one hundred thousand, four hundred three".