142466775 has 24 divisors (see below), whose sum is σ = 256959744. Its totient is φ = 69074400.

The previous prime is 142466771. The next prime is 142466777. The reversal of 142466775 is 577664241.

It is not a de Polignac number, because 142466775 - 2² = 142466771 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142466771) 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 23 ways as a sum of consecutive naturals, for example, 85519 + ... + 87168.

It is an arithmetic number, because the mean of its divisors is an integer number (10706656).

Almost surely, 2^142466775 is an apocalyptic number.

142466775 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

142466775 is a deficient number, since it is larger than the sum of its proper divisors (114492969).

142466775 is a wasteful number, since it uses less digits than its factorization.

142466775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172711 (or 172706 counting only the distinct ones).

The product of its digits is 282240, while the sum is 42.

The square root of 142466775 is about 11935.9446630755. The cubic root of 142466775 is about 522.2813657593.

The spelling of 142466775 in words is "one hundred forty-two million, four hundred sixty-six thousand, seven hundred seventy-five".