142290005 has 32 divisors (see below), whose sum is σ = 204059520. Its totient is φ = 93876480.

The previous prime is 142289999. The next prime is 142290007. The reversal of 142290005 is 500092241.

142290005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 142290005 - 2⁶ = 142289941 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142290007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40499 + ... + 43871.

It is an arithmetic number, because the mean of its divisors is an integer number (6376860).

Almost surely, 2^142290005 is an apocalyptic number.

It is an amenable number.

142290005 is a deficient number, since it is larger than the sum of its proper divisors (61769515).

142290005 is a wasteful number, since it uses less digits than its factorization.

142290005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3461.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 142290005 is about 11928.5374208241. The cubic root of 142290005 is about 522.0652641739.

The spelling of 142290005 in words is "one hundred forty-two million, two hundred ninety thousand, five".