45042406 has 4 divisors (see below), whose sum is σ = 67563612. Its totient is φ = 22521202.

The previous prime is 45042391. The next prime is 45042419. The reversal of 45042406 is 60424054.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11260600 + ... + 11260603.

It is an arithmetic number, because the mean of its divisors is an integer number (16890903).

Almost surely, 2^45042406 is an apocalyptic number.

45042406 is a deficient number, since it is larger than the sum of its proper divisors (22521206).

45042406 is a wasteful number, since it uses less digits than its factorization.

45042406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22521205.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 45042406 is about 6711.3639448327. The cubic root of 45042406 is about 355.8010239769.

The spelling of 45042406 in words is "forty-five million, forty-two thousand, four hundred six".