4351945 has 32 divisors (see below), whose sum is σ = 6096384. Its totient is φ = 2956800.

The previous prime is 4351933. The next prime is 4351967. The reversal of 4351945 is 5491534.

It is not a de Polignac number, because 4351945 - 2⁹ = 4351433 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 61260 + ... + 61330.

It is an arithmetic number, because the mean of its divisors is an integer number (190512).

Almost surely, 2^4351945 is an apocalyptic number.

It is an amenable number.

4351945 is a deficient number, since it is larger than the sum of its proper divisors (1744439).

4351945 is a wasteful number, since it uses less digits than its factorization.

4351945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153.

The product of its digits is 10800, while the sum is 31.

The square root of 4351945 is about 2086.1315874125. The cubic root of 4351945 is about 163.2655162949.

The spelling of 4351945 in words is "four million, three hundred fifty-one thousand, nine hundred forty-five".