142448183 has 4 divisors (see below), whose sum is σ = 142515048. Its totient is φ = 142381320.

The previous prime is 142448179. The next prime is 142448191. The reversal of 142448183 is 381844241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 381844241 = 4733 ⋅80677.

It is a cyclic number.

It is not a de Polignac number, because 142448183 - 2² = 142448179 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 (142448123) 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, 30128 + ... + 34533.

It is an arithmetic number, because the mean of its divisors is an integer number (35628762).

Almost surely, 2^142448183 is an apocalyptic number.

142448183 is a deficient number, since it is larger than the sum of its proper divisors (66865).

142448183 is an equidigital number, since it uses as much as digits as its factorization.

142448183 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66864.

The product of its digits is 24576, while the sum is 35.

The square root of 142448183 is about 11935.1658136785. The cubic root of 142448183 is about 522.2586454266.

The spelling of 142448183 in words is "one hundred forty-two million, four hundred forty-eight thousand, one hundred eighty-three".