142033145 has 4 divisors (see below), whose sum is σ = 170439780. Its totient is φ = 113626512.

The previous prime is 142033141. The next prime is 142033153. The reversal of 142033145 is 541330241.

142033145 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.

It can be written as a sum of positive squares in 2 ways, for example, as 15155449 + 126877696 = 3893^2 + 11264^2 .

It is a cyclic number.

It is not a de Polignac number, because 142033145 - 2² = 142033141 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 142033145.

It is not an unprimeable number, because it can be changed into a prime (142033141) 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, 14203310 + ... + 14203319.

It is an arithmetic number, because the mean of its divisors is an integer number (42609945).

Almost surely, 2^142033145 is an apocalyptic number.

It is an amenable number.

142033145 is a deficient number, since it is larger than the sum of its proper divisors (28406635).

142033145 is an equidigital number, since it uses as much as digits as its factorization.

142033145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28406634.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 142033145 is about 11917.7659399738. The cubic root of 142033145 is about 521.7509332289.

Adding to 142033145 its reverse (541330241), we get a palindrome (683363386).

The spelling of 142033145 in words is "one hundred forty-two million, thirty-three thousand, one hundred forty-five".