142205045 has 8 divisors (see below), whose sum is σ = 173538720. Its totient is φ = 111835600.

The previous prime is 142205027. The next prime is 142205047. The reversal of 142205045 is 540502241.

142205045 = T₂₁₆₆ + T₂₁₆₇ + ... + T₂₂₂₄.

It is a happy number.

142205045 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 142205045 - 2¹⁰ = 142204021 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142205045.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142205047) 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, 240731 + ... + 241320.

It is an arithmetic number, because the mean of its divisors is an integer number (21692340).

Almost surely, 2^142205045 is an apocalyptic number.

It is an amenable number.

142205045 is a deficient number, since it is larger than the sum of its proper divisors (31333675).

142205045 is an equidigital number, since it uses as much as digits as its factorization.

142205045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 482115.

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 142205045 is about 11924.9756813169. The cubic root of 142205045 is about 521.9613367624.

Adding to 142205045 its reverse (540502241), we get a palindrome (682707286).

The spelling of 142205045 in words is "one hundred forty-two million, two hundred five thousand, forty-five".