45391198 has 8 divisors (see below), whose sum is σ = 69203160. Its totient is φ = 22323480.

The previous prime is 45391183. The next prime is 45391201. The reversal of 45391198 is 89119354.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 45391198.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185908 + ... + 186151.

It is an arithmetic number, because the mean of its divisors is an integer number (8650395).

Almost surely, 2^45391198 is an apocalyptic number.

45391198 is a deficient number, since it is larger than the sum of its proper divisors (23811962).

45391198 is a wasteful number, since it uses less digits than its factorization.

45391198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372122.

The product of its digits is 38880, while the sum is 40.

The square root of 45391198 is about 6737.2990136998. The cubic root of 45391198 is about 356.7170614247.

The spelling of 45391198 in words is "forty-five million, three hundred ninety-one thousand, one hundred ninety-eight".