4145929 has 4 divisors (see below), whose sum is σ = 4184784. Its totient is φ = 4107076.

The previous prime is 4145891. The next prime is 4145951. The reversal of 4145929 is 9295414.

4145929 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, and also an emirpimes, since its reverse is a distinct semiprime: 9295414 = 2 ⋅4647707.

It is a cyclic number.

It is not a de Polignac number, because 4145929 - 2¹³ = 4137737 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4145894 and 4145903.

It is not an unprimeable number, because it can be changed into a prime (4145959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19267 + ... + 19480.

It is an arithmetic number, because the mean of its divisors is an integer number (1046196).

Almost surely, 2^4145929 is an apocalyptic number.

It is an amenable number.

4145929 is a deficient number, since it is larger than the sum of its proper divisors (38855).

4145929 is a wasteful number, since it uses less digits than its factorization.

4145929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38854.

The product of its digits is 12960, while the sum is 34.

The square root of 4145929 is about 2036.1554459324. The cubic root of 4145929 is about 160.6474933551.

The spelling of 4145929 in words is "four million, one hundred forty-five thousand, nine hundred twenty-nine".