1598143 has 6 divisors (see below), whose sum is σ = 1652352. Its totient is φ = 1545660.

The previous prime is 1598137. The next prime is 1598167. The reversal of 1598143 is 3418951.

It is not a de Polignac number, because 1598143 - 2⁵ = 1598111 is a prime.

It is a super-2 number, since 2×1598143² = 5108122096898, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1598183) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 130 + ... + 1792.

It is an arithmetic number, because the mean of its divisors is an integer number (275392).

2^1598143 is an apocalyptic number.

1598143 is a deficient number, since it is larger than the sum of its proper divisors (54209).

1598143 is an equidigital number, since it uses as much as digits as its factorization.

1598143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1725 (or 1694 counting only the distinct ones).

The product of its digits is 4320, while the sum is 31.

The square root of 1598143 is about 1264.1768072544. The cubic root of 1598143 is about 116.9154428369.

The spelling of 1598143 in words is "one million, five hundred ninety-eight thousand, one hundred forty-three".