45198455 has 4 divisors (see below), whose sum is σ = 54238152. Its totient is φ = 36158760.

The previous prime is 45198449. The next prime is 45198457. The reversal of 45198455 is 55489154.

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

It is not a de Polignac number, because 45198455 - 2¹⁰ = 45197431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45198457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4519841 + ... + 4519850.

It is an arithmetic number, because the mean of its divisors is an integer number (13559538).

Almost surely, 2^45198455 is an apocalyptic number.

45198455 is a deficient number, since it is larger than the sum of its proper divisors (9039697).

45198455 is an equidigital number, since it uses as much as digits as its factorization.

45198455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9039696.

The product of its digits is 144000, while the sum is 41.

The square root of 45198455 is about 6722.9796221616. The cubic root of 45198455 is about 356.2114401684.

The spelling of 45198455 in words is "forty-five million, one hundred ninety-eight thousand, four hundred fifty-five".