142113005 has 16 divisors (see below), whose sum is σ = 174096000. Its totient is φ = 111332160.

The previous prime is 142112947. The next prime is 142113019. The reversal of 142113005 is 500311241.

It is not a de Polignac number, because 142113005 - 2⁶ = 142112941 is a prime.

It is a super-2 number, since 2×142113005² = 40392212380260050, which contains 22 as substring.

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, 90971 + ... + 92519.

It is an arithmetic number, because the mean of its divisors is an integer number (10881000).

Almost surely, 2^142113005 is an apocalyptic number.

It is an amenable number.

142113005 is a deficient number, since it is larger than the sum of its proper divisors (31982995).

142113005 is a wasteful number, since it uses less digits than its factorization.

142113005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1924.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 142113005 is about 11921.1159293080. The cubic root of 142113005 is about 521.8487020107.

Adding to 142113005 its reverse (500311241), we get a palindrome (642424246).

The spelling of 142113005 in words is "one hundred forty-two million, one hundred thirteen thousand, five".