8542377142 has 16 divisors (see below), whose sum is σ = 14135792832. Its totient is φ = 3846473280.

The previous prime is 8542377139. The next prime is 8542377149. The reversal of 8542377142 is 2417732458.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8542377149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4005678 + ... + 4007809.

It is an arithmetic number, because the mean of its divisors is an integer number (883487052).

Almost surely, 2^8542377142 is an apocalyptic number.

8542377142 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

8542377142 is a deficient number, since it is larger than the sum of its proper divisors (5593415690).

8542377142 is a wasteful number, since it uses less digits than its factorization.

8542377142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8013543.

The product of its digits is 376320, while the sum is 43.

The square root of 8542377142 is about 92424.9811576935. The cubic root of 8542377142 is about 2044.2134769051.

The spelling of 8542377142 in words is "eight billion, five hundred forty-two million, three hundred seventy-seven thousand, one hundred forty-two".