142069169 has 8 divisors (see below), whose sum is σ = 157108512. Its totient is φ = 127383840.

The previous prime is 142069163. The next prime is 142069171. The reversal of 142069169 is 961960241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142069169 is a prime.

It is a super-2 number, since 2×142069169² = 40367297560701122, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (142069163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87659 + ... + 89264.

It is an arithmetic number, because the mean of its divisors is an integer number (19638564).

Almost surely, 2^142069169 is an apocalyptic number.

It is an amenable number.

142069169 is a deficient number, since it is larger than the sum of its proper divisors (15039343).

142069169 is a wasteful number, since it uses less digits than its factorization.

142069169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177007.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 142069169 is about 11919.2772012400. The cubic root of 142069169 is about 521.7950402266.

The spelling of 142069169 in words is "one hundred forty-two million, sixty-nine thousand, one hundred sixty-nine".