45022678 has 4 divisors (see below), whose sum is σ = 67534020. Its totient is φ = 22511338.

The previous prime is 45022667. The next prime is 45022687. The reversal of 45022678 is 87622054.

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, 11255668 + ... + 11255671.

It is an arithmetic number, because the mean of its divisors is an integer number (16883505).

Almost surely, 2^45022678 is an apocalyptic number.

45022678 is a deficient number, since it is larger than the sum of its proper divisors (22511342).

45022678 is a wasteful number, since it uses less digits than its factorization.

45022678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22511341.

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 45022678 is about 6709.8940379115. The cubic root of 45022678 is about 355.7490709527.

The spelling of 45022678 in words is "forty-five million, twenty-two thousand, six hundred seventy-eight".