4345145 has 8 divisors (see below), whose sum is σ = 5959104. Its totient is φ = 2979504.

The previous prime is 4345127. The next prime is 4345147. The reversal of 4345145 is 5415434.

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 4345145 - 2⁸ = 4344889 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4345147) 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, 62039 + ... + 62108.

It is an arithmetic number, because the mean of its divisors is an integer number (744888).

Almost surely, 2^4345145 is an apocalyptic number.

It is an amenable number.

4345145 is a deficient number, since it is larger than the sum of its proper divisors (1613959).

4345145 is a wasteful number, since it uses less digits than its factorization.

4345145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124159.

The product of its digits is 4800, while the sum is 26.

The square root of 4345145 is about 2084.5011393616. The cubic root of 4345145 is about 163.1804367690.

It can be divided in two parts, 434514 and 5, that multiplied together give a triangular number (2172570 = T₂₀₈₄).

The spelling of 4345145 in words is "four million, three hundred forty-five thousand, one hundred forty-five".