142409163 has 16 divisors (see below), whose sum is σ = 209242880. Its totient is φ = 85597344.

The previous prime is 142409143. The next prime is 142409177. The reversal of 142409163 is 361904241.

It is not a de Polignac number, because 142409163 - 2¹⁷ = 142278091 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 142409163.

It is not an unprimeable number, because it can be changed into a prime (142409143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40783 + ... + 44136.

It is an arithmetic number, because the mean of its divisors is an integer number (13077680).

Almost surely, 2^142409163 is an apocalyptic number.

142409163 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

142409163 is a deficient number, since it is larger than the sum of its proper divisors (66833717).

142409163 is a wasteful number, since it uses less digits than its factorization.

142409163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84978.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 142409163 is about 11933.5310365373. The cubic root of 142409163 is about 522.2109546502.

The spelling of 142409163 in words is "one hundred forty-two million, four hundred nine thousand, one hundred sixty-three".