142243045 has 16 divisors (see below), whose sum is σ = 195269760. Its totient is φ = 97441344.

The previous prime is 142243039. The next prime is 142243051. The reversal of 142243045 is 540342241.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (142243039) and next prime (142243051).

It is not a de Polignac number, because 142243045 - 2³ = 142243037 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69091 + ... + 71119.

It is an arithmetic number, because the mean of its divisors is an integer number (12204360).

Almost surely, 2^142243045 is an apocalyptic number.

It is an amenable number.

142243045 is a deficient number, since it is larger than the sum of its proper divisors (53026715).

142243045 is a wasteful number, since it uses less digits than its factorization.

142243045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4044.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 142243045 is about 11926.5688695450. The cubic root of 142243045 is about 522.0078254186.

Adding to 142243045 its reverse (540342241), we get a palindrome (682585286).

The spelling of 142243045 in words is "one hundred forty-two million, two hundred forty-three thousand, forty-five".