142509795 has 16 divisors (see below), whose sum is σ = 228357792. Its totient is φ = 75891200.

The previous prime is 142509751. The next prime is 142509803. The reversal of 142509795 is 597905241.

It is not a de Polignac number, because 142509795 - 2⁸ = 142509539 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3739 + ... + 17291.

It is an arithmetic number, because the mean of its divisors is an integer number (14272362).

Almost surely, 2^142509795 is an apocalyptic number.

142509795 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

142509795 is a deficient number, since it is larger than the sum of its proper divisors (85847997).

142509795 is a wasteful number, since it uses less digits than its factorization.

142509795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14262.

The product of its (nonzero) digits is 113400, while the sum is 42.

The square root of 142509795 is about 11937.7466466666. The cubic root of 142509795 is about 522.3339307244. Note that the first 3 decimals are identical.

The spelling of 142509795 in words is "one hundred forty-two million, five hundred nine thousand, seven hundred ninety-five".