45462278 has 4 divisors (see below), whose sum is σ = 68193420. Its totient is φ = 22731138.

The previous prime is 45462259. The next prime is 45462293. The reversal of 45462278 is 87226454.

45462278 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11365568 + ... + 11365571.

It is an arithmetic number, because the mean of its divisors is an integer number (17048355).

Almost surely, 2^45462278 is an apocalyptic number.

45462278 is a deficient number, since it is larger than the sum of its proper divisors (22731142).

45462278 is a wasteful number, since it uses less digits than its factorization.

45462278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22731141.

The product of its digits is 107520, while the sum is 38.

The square root of 45462278 is about 6742.5720611648. The cubic root of 45462278 is about 356.9031637697.

The spelling of 45462278 in words is "forty-five million, four hundred sixty-two thousand, two hundred seventy-eight".