142305155 has 8 divisors (see below), whose sum is σ = 179754000. Its totient is φ = 107852256.

The previous prime is 142305139. The next prime is 142305167. The reversal of 142305155 is 551503241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 142305155 - 2⁴ = 142305139 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 748880 + ... + 749069.

It is an arithmetic number, because the mean of its divisors is an integer number (22469250).

Almost surely, 2^142305155 is an apocalyptic number.

142305155 is a deficient number, since it is larger than the sum of its proper divisors (37448845).

142305155 is a wasteful number, since it uses less digits than its factorization.

142305155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1497973.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 142305155 is about 11929.1724356721. The cubic root of 142305155 is about 522.0837920812.

Adding to 142305155 its reverse (551503241), we get a palindrome (693808396).

The spelling of 142305155 in words is "one hundred forty-two million, three hundred five thousand, one hundred fifty-five".