1485998143 has 8 divisors (see below), whose sum is σ = 1698695712. Its totient is φ = 1273403616.

The previous prime is 1485998141. The next prime is 1485998167. The reversal of 1485998143 is 3418995841.

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 1485998143 - 2¹ = 1485998141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1485998141) 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, 8121 + ... + 55117.

It is an arithmetic number, because the mean of its divisors is an integer number (212336964).

Almost surely, 2^1485998143 is an apocalyptic number.

1485998143 is a deficient number, since it is larger than the sum of its proper divisors (212697569).

1485998143 is an equidigital number, since it uses as much as digits as its factorization.

1485998143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51521.

The product of its digits is 1244160, while the sum is 52.

The square root of 1485998143 is about 38548.6464483515. The cubic root of 1485998143 is about 1141.1412964928.

The spelling of 1485998143 in words is "one billion, four hundred eighty-five million, nine hundred ninety-eight thousand, one hundred forty-three".