142777423055 has 8 divisors (see below), whose sum is σ = 171358832400. Its totient is φ = 114204655296.

The previous prime is 142777423051. The next prime is 142777423067. The reversal of 142777423055 is 550324777241.

142777423055 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 142777423055 - 2² = 142777423051 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142777423051) 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, 2123990 + ... + 2190179.

It is an arithmetic number, because the mean of its divisors is an integer number (21419854050).

Almost surely, 2^142777423055 is an apocalyptic number.

142777423055 is a deficient number, since it is larger than the sum of its proper divisors (28581409345).

142777423055 is an equidigital number, since it uses as much as digits as its factorization.

142777423055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4320793.

The product of its (nonzero) digits is 1646400, while the sum is 47.

The spelling of 142777423055 in words is "one hundred forty-two billion, seven hundred seventy-seven million, four hundred twenty-three thousand, fifty-five".