142175441 has 4 divisors (see below), whose sum is σ = 144177984. Its totient is φ = 140172900.

The previous prime is 142175399. The next prime is 142175447. The reversal of 142175441 is 144571241.

It is a happy number.

142175441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also an emirpimes, since its reverse is a distinct semiprime: 144571241 = 3163 ⋅45707.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142175441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142175447) 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, 1001165 + ... + 1001306.

It is an arithmetic number, because the mean of its divisors is an integer number (36044496).

Almost surely, 2^142175441 is an apocalyptic number.

It is an amenable number.

142175441 is a deficient number, since it is larger than the sum of its proper divisors (2002543).

142175441 is an equidigital number, since it uses as much as digits as its factorization.

142175441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2002542.

The product of its digits is 4480, while the sum is 29.

The square root of 142175441 is about 11923.7343563164. The cubic root of 142175441 is about 521.9251139130.

The spelling of 142175441 in words is "one hundred forty-two million, one hundred seventy-five thousand, four hundred forty-one".