45772198 has 4 divisors (see below), whose sum is σ = 68658300. Its totient is φ = 22886098.

The previous prime is 45772183. The next prime is 45772217. The reversal of 45772198 is 89127754.

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, 11443048 + ... + 11443051.

It is an arithmetic number, because the mean of its divisors is an integer number (17164575).

Almost surely, 2^45772198 is an apocalyptic number.

45772198 is a deficient number, since it is larger than the sum of its proper divisors (22886102).

45772198 is a wasteful number, since it uses less digits than its factorization.

45772198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22886101.

The product of its digits is 141120, while the sum is 43.

The square root of 45772198 is about 6765.5153536150. The cubic root of 45772198 is about 357.7123403149.

The spelling of 45772198 in words is "forty-five million, seven hundred seventy-two thousand, one hundred ninety-eight".