142040045 has 16 divisors (see below), whose sum is σ = 195568128. Its totient is φ = 97013760.

The previous prime is 142040033. The next prime is 142040071. The reversal of 142040045 is 540040241.

It is not a de Polignac number, because 142040045 - 2¹⁰ = 142039021 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 142039999 and 142040026.

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, 1100 + ... + 16890.

It is an arithmetic number, because the mean of its divisors is an integer number (12223008).

Almost surely, 2^142040045 is an apocalyptic number.

It is an amenable number.

142040045 is a deficient number, since it is larger than the sum of its proper divisors (53528083).

142040045 is a wasteful number, since it uses less digits than its factorization.

142040045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16060.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 142040045 is about 11918.0554202437. The cubic root of 142040045 is about 521.7593820153.

Adding to 142040045 its reverse (540040241), we get a palindrome (682080286).

The spelling of 142040045 in words is "one hundred forty-two million, forty thousand, forty-five".