4545946 has 4 divisors (see below), whose sum is σ = 6818922. Its totient is φ = 2272972.

The previous prime is 4545943. The next prime is 4545967. The reversal of 4545946 is 6495454.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 4431025 + 114921 = 2105^2 + 339^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (4545943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1136485 + ... + 1136488.

Almost surely, 2^4545946 is an apocalyptic number.

4545946 is a deficient number, since it is larger than the sum of its proper divisors (2272976).

4545946 is a wasteful number, since it uses less digits than its factorization.

4545946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2272975.

The product of its digits is 86400, while the sum is 37.

The square root of 4545946 is about 2132.1224167482. The cubic root of 4545946 is about 165.6563510606.

It can be divided in two parts, 454 and 5946, that added together give a square (6400 = 80²).

The spelling of 4545946 in words is "four million, five hundred forty-five thousand, nine hundred forty-six".