143748983 has 16 divisors (see below), whose sum is σ = 168290304. Its totient is φ = 120225600.

The previous prime is 143748971. The next prime is 143749049. The reversal of 143748983 is 389847341.

It is a cyclic number.

It is not a de Polignac number, because 143748983 - 2⁴ = 143748967 is a prime.

It is a super-2 number, since 2×143748983² = 41327540227068578, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143748883) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197366 + ... + 198092.

It is an arithmetic number, because the mean of its divisors is an integer number (10518144).

Almost surely, 2^143748983 is an apocalyptic number.

143748983 is a deficient number, since it is larger than the sum of its proper divisors (24541321).

143748983 is an equidigital number, since it uses as much as digits as its factorization.

143748983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1382.

The product of its digits is 580608, while the sum is 47.

The square root of 143748983 is about 11989.5363963750. The cubic root of 143748983 is about 523.8435412203.

The spelling of 143748983 in words is "one hundred forty-three million, seven hundred forty-eight thousand, nine hundred eighty-three".