1455198143 has 8 divisors (see below), whose sum is σ = 1663511712. Its totient is φ = 1246991616.

The previous prime is 1455198103. The next prime is 1455198193. The reversal of 1455198143 is 3418915541.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1455198143 - 2²⁴ = 1438420927 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1455198143.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1455198103) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4871 + ... + 54167.

It is an arithmetic number, because the mean of its divisors is an integer number (207938964).

Almost surely, 2^1455198143 is an apocalyptic number.

1455198143 is a deficient number, since it is larger than the sum of its proper divisors (208313569).

1455198143 is an equidigital number, since it uses as much as digits as its factorization.

1455198143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53521.

The product of its digits is 86400, while the sum is 41.

The square root of 1455198143 is about 38147.0594279559. The cubic root of 1455198143 is about 1133.2021172672.

The spelling of 1455198143 in words is "one billion, four hundred fifty-five million, one hundred ninety-eight thousand, one hundred forty-three".