1455198 has 8 divisors (see below), whose sum is σ = 2910408. Its totient is φ = 485064.

The previous prime is 1455197. The next prime is 1455199. The reversal of 1455198 is 8915541.

It is an interprime number because it is at equal distance from previous prime (1455197) and next prime (1455199).

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

1455198 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1455193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121261 + ... + 121272.

It is an arithmetic number, because the mean of its divisors is an integer number (363801).

2^1455198 is an apocalyptic number.

1455198 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1455198 is a wasteful number, since it uses less digits than its factorization.

1455198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242538.

The product of its digits is 7200, while the sum is 33.

The square root of 1455198 is about 1206.3158790300. The cubic root of 1455198 is about 113.3202080148.

It can be divided in two parts, 1455 and 198, that added together give a triangular number (1653 = T₅₇).

The spelling of 1455198 in words is "one million, four hundred fifty-five thousand, one hundred ninety-eight".