4345546 has 4 divisors (see below), whose sum is σ = 6518322. Its totient is φ = 2172772.

The previous prime is 4345543. The next prime is 4345567. The reversal of 4345546 is 6455434.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6455434 = 2 ⋅3227717.

It can be written as a sum of positive squares in only one way, i.e., 3515625 + 829921 = 1875^2 + 911^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (4345541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1086385 + ... + 1086388.

Almost surely, 2^4345546 is an apocalyptic number.

4345546 is a deficient number, since it is larger than the sum of its proper divisors (2172776).

4345546 is a wasteful number, since it uses less digits than its factorization.

4345546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2172775.

The product of its digits is 28800, while the sum is 31.

The square root of 4345546 is about 2084.5973232258. The cubic root of 4345546 is about 163.1854564206.

The spelling of 4345546 in words is "four million, three hundred forty-five thousand, five hundred forty-six".