146129 has 4 divisors (see below), whose sum is σ = 153840. Its totient is φ = 138420.

The previous prime is 146117. The next prime is 146141. The reversal of 146129 is 921641.

It is a happy number.

146129 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (146117) and next prime (146141).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-146129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (106129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3827 + ... + 3864.

It is an arithmetic number, because the mean of its divisors is an integer number (38460).

2¹⁴⁶¹²⁹ is an apocalyptic number.

146129 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

146129 is a deficient number, since it is larger than the sum of its proper divisors (7711).

146129 is an equidigital number, since it uses as much as digits as its factorization.

146129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7710.

The product of its digits is 432, while the sum is 23.

The square root of 146129 is about 382.2682304351. The cubic root of 146129 is about 52.6718781006.

The spelling of 146129 in words is "one hundred forty-six thousand, one hundred twenty-nine".