145929 has 8 divisors (see below), whose sum is σ = 222400. Its totient is φ = 83376.

The previous prime is 145903. The next prime is 145931. The reversal of 145929 is 929541.

It is a happy number.

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

It is not a de Polignac number, because 145929 - 2⁵ = 145897 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 145896 and 145905.

It is not an unprimeable number, because it can be changed into a prime (145949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3454 + ... + 3495.

It is an arithmetic number, because the mean of its divisors is an integer number (27800).

2¹⁴⁵⁹²⁹ is an apocalyptic number.

It is an amenable number.

145929 is a deficient number, since it is larger than the sum of its proper divisors (76471).

145929 is an equidigital number, since it uses as much as digits as its factorization.

145929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6959.

The product of its digits is 3240, while the sum is 30.

The square root of 145929 is about 382.0065444466. The cubic root of 145929 is about 52.6478372754.

It can be divided in two parts, 14592 and 9, that multiplied together give a triangular number (131328 = T₅₁₂).

The spelling of 145929 in words is "one hundred forty-five thousand, nine hundred twenty-nine".