142806455 has 8 divisors (see below), whose sum is σ = 186946704. Its totient is φ = 103859200.

The previous prime is 142806439. The next prime is 142806457. The reversal of 142806455 is 554608241.

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

It is not a de Polignac number, because 142806455 - 2⁴ = 142806439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142806457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1298186 + ... + 1298295.

It is an arithmetic number, because the mean of its divisors is an integer number (23368338).

Almost surely, 2^142806455 is an apocalyptic number.

142806455 is a deficient number, since it is larger than the sum of its proper divisors (44140249).

142806455 is a wasteful number, since it uses less digits than its factorization.

142806455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2596497.

The product of its (nonzero) digits is 38400, while the sum is 35.

The square root of 142806455 is about 11950.1654800258. The cubic root of 142806455 is about 522.6961238058.

The spelling of 142806455 in words is "one hundred forty-two million, eight hundred six thousand, four hundred fifty-five".