142185495 has 16 divisors (see below), whose sum is σ = 227645280. Its totient is φ = 75782784.

The previous prime is 142185479. The next prime is 142185497. The reversal of 142185495 is 594581241.

It is not a de Polignac number, because 142185495 - 2⁴ = 142185479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142185497) 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 15 ways as a sum of consecutive naturals, for example, 40261 + ... + 43649.

It is an arithmetic number, because the mean of its divisors is an integer number (14227830).

Almost surely, 2^142185495 is an apocalyptic number.

142185495 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

142185495 is a deficient number, since it is larger than the sum of its proper divisors (85459785).

142185495 is a wasteful number, since it uses less digits than its factorization.

142185495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6194.

The product of its digits is 57600, while the sum is 39.

The square root of 142185495 is about 11924.1559449715. The cubic root of 142185495 is about 521.9374163458.

The spelling of 142185495 in words is "one hundred forty-two million, one hundred eighty-five thousand, four hundred ninety-five".