142541099 has 4 divisors (see below), whose sum is σ = 142574736. Its totient is φ = 142507464.

The previous prime is 142541081. The next prime is 142541111. The reversal of 142541099 is 990145241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 990145241 = 499 ⋅1984259.

It is a cyclic number.

It is not a de Polignac number, because 142541099 - 2²⁰ = 141492523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142541029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9359 + ... + 19304.

It is an arithmetic number, because the mean of its divisors is an integer number (35643684).

Almost surely, 2^142541099 is an apocalyptic number.

142541099 is a deficient number, since it is larger than the sum of its proper divisors (33637).

142541099 is an equidigital number, since it uses as much as digits as its factorization.

142541099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33636.

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 142541099 is about 11939.0577098865. The cubic root of 142541099 is about 522.3721735794.

It can be divided in two parts, 1425 and 41099, that added together give a palindrome (42524).

The spelling of 142541099 in words is "one hundred forty-two million, five hundred forty-one thousand, ninety-nine".