146969 has 8 divisors (see below), whose sum is σ = 155520. Its totient is φ = 138736.

The previous prime is 146953. The next prime is 146977. The reversal of 146969 is 969641.

146969 = T₃₉ + T₄₀ + ... + T₉₇.

146969 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 a cyclic number.

It is not a de Polignac number, because 146969 - 2⁴ = 146953 is a prime.

It is a super-2 number, since 2×146969² = 43199773922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (146989) 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, 2462 + ... + 2520.

It is an arithmetic number, because the mean of its divisors is an integer number (19440).

2¹⁴⁶⁹⁶⁹ is an apocalyptic number.

It is an amenable number.

146969 is a deficient number, since it is larger than the sum of its proper divisors (8551).

146969 is an equidigital number, since it uses as much as digits as its factorization.

146969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159.

The product of its digits is 11664, while the sum is 35.

The square root of 146969 is about 383.3653609809. The cubic root of 146969 is about 52.7726107181.

The spelling of 146969 in words is "one hundred forty-six thousand, nine hundred sixty-nine".