142946169 has 8 divisors (see below), whose sum is σ = 192891552. Its totient is φ = 94149120.

The previous prime is 142946117. The next prime is 142946171. The reversal of 142946169 is 961649241.

142946169 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 142946169 - 2⁹ = 142945657 is a prime.

It is a super-2 number, since 2×142946169² = 40867214463553122, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 142946169.

It is not an unprimeable number, because it can be changed into a prime (142946179) 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, 286792 + ... + 287289.

It is an arithmetic number, because the mean of its divisors is an integer number (24111444).

Almost surely, 2^142946169 is an apocalyptic number.

It is an amenable number.

142946169 is a deficient number, since it is larger than the sum of its proper divisors (49945383).

142946169 is an equidigital number, since it uses as much as digits as its factorization.

142946169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574167.

The product of its digits is 93312, while the sum is 42.

The square root of 142946169 is about 11956.0097440576. The cubic root of 142946169 is about 522.8665273161.

The spelling of 142946169 in words is "one hundred forty-two million, nine hundred forty-six thousand, one hundred sixty-nine".